DP Further Mathematics HL Questionbank

Topic 6 - Discrete mathematics
Description
The aim of this topic is to provide the opportunity for students to engage in logical reasoning, algorithmic thinking and applications.
Directly related questions
- 18M.2.hl.TZ0.3c.ii: Explain the consequences of having a Hamiltonian cycle for Pauline’s visit to the ground floor of...
- 18M.2.hl.TZ0.3c.i: Write down a Hamiltonian cycle for the graph G.
- 18M.2.hl.TZ0.3b.ii: Explain the consequences of having an Eulerian trail but not an Eulerian circuit, for Pauline’s...
- 18M.2.hl.TZ0.3b.i: Explain why the graph G has an Eulerian trail but not an Eulerian circuit.
- 18M.2.hl.TZ0.3a: Draw a graph G to represent this floorplan where the rooms are represented by the vertices and an...
- 18M.2.hl.TZ0.3d: Use the nearest-neighbour algorithm to determine a possible route and an upper bound for the...
- 18M.2.hl.TZ0.3e: By removing Z, use the deleted vertex algorithm to determine a lower bound for the length of her...
- 18M.1.hl.TZ0.3b: 1000 is a number written in base 10. Find this as a number written in base 7.
- 18M.1.hl.TZ0.3a: A number written in base 5 is 4303. Find this as a number written in base 10.
- 18M.1.hl.TZ0.12b: Consider vn which satisfies the recurrence...
- 18M.1.hl.TZ0.12a: Solve the recurrence relation un=4un−1−4un−2 given that...
- 18M.1.hl.TZ0.1b: Hence find integers s and t such that 74s + 383t = 1.
- 18M.1.hl.TZ0.1a: Use the Euclidean algorithm to find the greatest common divisor of 74 and 383.
- 16M.2.hl.TZ0.5c: (i) Find an expression for wn in terms of n. (ii) Show that w3n=0...
- 16M.2.hl.TZ0.5b: The sequence {vn:n∈Z+} satisfies the recurrence relation...
- 16M.2.hl.TZ0.5a: (i) Find an expression for un in terms of n. (ii) Show that the sequence...
- 16M.2.hl.TZ0.1e: Explain how the result in part (b) can be used to find a different upper bound and state its value.
- 16M.2.hl.TZ0.1d: Deduce an upper bound for the total weight of a closed walk of minimum weight which visits every...
- 16M.2.hl.TZ0.1c: Use Kruskal’s algorithm to find a minimum weight spanning tree and state its weight.
- 16M.2.hl.TZ0.1b: Determine whether or not the graph is Hamiltonian.
- 16M.2.hl.TZ0.1a: Determine whether or not the graph is Eulerian.
- 16M.1.hl.TZ0.6c: Prove by mathematical induction that your formula is valid for all n∈Z+.
- 16M.1.hl.TZ0.6b: Conjecture a formula for Hn in terms of n, for n∈Z+.
- 16M.1.hl.TZ0.6a: Find H2, H3 and H4.
- 16M.1.hl.TZ0.10c: Express the hexadecimal (base 16) number ABBA16 in binary.
- 16M.1.hl.TZ0.10b: Hence show that an integer is divisible by 3 if and only if the difference between the sum of its...
- 16M.1.hl.TZ0.10a: Show that 2n≡(−1)n(mod, where n \in \mathbb{N}.
- 16M.1.hl.TZ0.3c: Find the solution satisfying xy = 2014.
- 16M.1.hl.TZ0.3b: Hence find the solution with minimum positive value of xy.
- 16M.1.hl.TZ0.3a: Find the general solution to this equation.
- 16M.1.hl.TZ0.9a: Use the Euclidean algorithm to find \gcd (162,{\text{ }}5982).
- 17M.2.hl.TZ0.3b: Determine the second-degree recurrence relation satisfied by \{ {v_n}\} .
- 17M.2.hl.TZ0.3a.iii: Determine the value...
- 17M.2.hl.TZ0.3a.ii: Given that {u_1} = 12,{\text{ }}{u_2} = 6, show...
- 17M.2.hl.TZ0.3a.i: Write down the auxiliary equation.
- 17M.2.hl.TZ0.1b: Use Dijkstra’s algorithm to find the path of minimum total weight joining A to D, stating this...
- 17M.2.hl.TZ0.1a.ii: Write down an Eulerian trail.
- 17M.2.hl.TZ0.1a.i: State what features of the graph enable you to state that G contains an Eulerian trail but no...
- 17M.1.hl.TZ0.11c.i: Explain why a graph containing a cycle of length three cannot be bipartite.
- 17M.1.hl.TZ0.11a.i: Without attempting to draw J, verify that J satisfies the handshaking lemma;
- 17M.1.hl.TZ0.2b: Hence find the smallest value of x greater than 100 satisfying the linear congruence...
- 17M.1.hl.TZ0.2a: Consider the linear congruence ax \equiv b(\bmod p) where...
- 15M.2.hl.TZ0.3c: Show using proof by strong induction that the solution is correct.
- 15M.2.hl.TZ0.3b: Solve the recurrence relation.
- 15M.2.hl.TZ0.3a: Show that for n \geqslant 2,{\text{ }}{x_n} = 4{x_{n - 1}} - 3{x_{n - 2}}.
- 15M.1.hl.TZ0.9d: Show that 121 is always a square number in any base greater than 2.
- 15M.1.hl.TZ0.9c: (i) Given that N = 899,{\text{ }}r = 10 and s = 12 find the values of...
- 15M.1.hl.TZ0.9b: Given that N = 365,{\text{ }}r = 10 and s = 7 find the values of...
- 15M.1.hl.TZ0.9a: In base 5 an integer is written 1031. Express this integer in base 10.
- 15M.1.hl.TZ0.4f: Draw the complement G' of G.
- 15M.1.hl.TZ0.4e: State whether or not the simple graph G is bipartite, giving a reason for your answer.
- 15M.1.hl.TZ0.4d: State whether or not G is planar, giving a reason for your answer.
- 15M.1.hl.TZ0.4c: Show that G has a Hamiltonian cycle.
- 15M.1.hl.TZ0.4b: Explain why G does not contain an Eulerian circuit.
- 15M.1.hl.TZ0.4a: Draw the simple graph G.
- 15M.1.hl.TZ0.2b: Find the values of x and y satisfying the equation for which x has the smallest...
- 15M.1.hl.TZ0.2a: Find the general solution to the Diophantine equation 3x + 5y = 7.
- 11M.1.hl.TZ0.3a: Prove that the number 14 641 is the fourth power of an integer in any base greater than 6.
- 11M.1.hl.TZ0.4a: Prove that if {\rm{gcd}}(a,b) = 1 and {\rm{gcd}}(a,c) = 1 , then {\rm{gcd}}(a,bc) = 1 .
- 11M.1.hl.TZ0.4b: (i) A simple graph has e edges and v vertices, where v > 2 . Prove that if all the...
- 11M.2.hl.TZ0.1a: Draw a planar graph to represent this map.
- 11M.2.hl.TZ0.1b: Write down the adjacency matrix of the graph.
- 11M.2.hl.TZ0.1c: List the degrees of each of the vertices.
- 11M.2.hl.TZ0.1d: State with reasons whether or not this graph has (i) an Eulerian circuit; (ii) an...
- 11M.2.hl.TZ0.1e: Find the number of walks of length 4 from E to F.
- 11M.2.hl.TZ0.4a: Given the linear congruence ax \equiv b({\rm{mod}}p) , where a , b \in \mathbb{Z} ,...
- 11M.2.hl.TZ0.4b: (i) Solve 17x \equiv 14(\bmod 21) . (ii) Use the solution found in part (i) to find...
- 10M.1.hl.TZ0.3b: (i) Draw G', the complement of G . (ii) Write down the degrees of all the...
- 10M.1.hl.TZ0.4: Given that {n^2} + 2n + 3 \equiv N(\bmod 8) , where n \in {\mathbb{Z}^ + } and...
- 10M.1.hl.TZ0.3a: (i) Write down the adjacency matrix for G . (ii) Find the number of walks of length...
- 10M.2.hl.TZ0.3a: (i) Explain briefly what features of the graph enable you to state that G has an Eulerian...
- 10M.2.hl.TZ0.3b: (i) Use Kruskal’s algorithm to find and draw the minimum spanning tree for G . Your...
- 10M.2.hl.TZ0.3c: Use Dijkstra’s algorithm to find the path of minimum total weight joining A to D, and state its...
- 09M.1.hl.TZ0.4: Prove that 3k + 2 and 5k + 3 , k \in \mathbb{Z} are relatively prime.
- 09M.1.hl.TZ0.6c: Show that \sum\limits_{n = 1}^{100} {n! \equiv 3(\bmod 15)} .
- 09M.2.hl.TZ0.3A.a: Use Kruskal’s algorithm to find a minimum spanning tree for the weighted graph shown below. State...
- 09M.2.hl.TZ0.3A.b: For the travelling salesman problem defined by this graph, find (i) an upper bound; ...
- 09M.2.hl.TZ0.3B.a: Given that the integers m and n are such that 3|({m^2} + {n^2}) , prove that 3|m...
- 09M.2.hl.TZ0.3B.b: Hence show that \sqrt 2 is irrational.
- 13M.1.hl.TZ0.1a: (i) Use the Euclidean algorithm to find gcd(6750, 144) . (ii) Express your...
- 13M.1.hl.TZ0.1b: Consider the base 15 number CBA, where A, B, C represent respectively the digits ten, eleven,...
- 13M.2.hl.TZ0.4a: (i) Draw the planar graph H that represents these mutual friendships. (ii) State how...
- 13M.2.hl.TZ0.4b: Determine, giving reasons, whether H has (i) a Hamiltonian path; (ii) a...
- 13M.2.hl.TZ0.4c: Verify Euler’s formula for H .
- 13M.2.hl.TZ0.4d: State, giving a reason, whether or not H is bipartite.
- 13M.2.hl.TZ0.4e: Write down the adjacency matrix for H .
- 13M.2.hl.TZ0.4f: David wishes to send a message to Grace, in a sealed envelope, through mutual friends. In how...
- 08M.1.hl.TZ0.1a: Determine whether or not G is bipartite.
- 08M.1.hl.TZ0.1b: (i) Write down the adjacency matrix for G. (ii) Find the number of distinct walks of...
- 08M.2.hl.TZ0.1A.a: The graph G has the following cost adjacency matrix. Draw G in planar form.
- 07M.1.hl.TZ0.4b: Find the general solution to the diophantine equation 275x + 378y = 1 .
- 08M.2.hl.TZ0.1B.a: Given that ax \equiv b(\bmod p) where a,b,p,x \in {\mathbb{Z}^ + } , p is prime and...
- 08M.2.hl.TZ0.1B.b: Hence solve the simultaneous linear congruences3x \equiv 4(\bmod 5)\[5x \equiv 6(\bmod...
- 07M.1.hl.TZ0.4a: Use the Euclidean Algorithm to show that 275 and 378 are relatively prime.
- 07M.2.hl.TZ0.1a: (i) Explain briefly why G has no Eulerian circuit. (ii) Determine whether or not...
- 07M.2.hl.TZ0.1b: The cost adjacency matrix of a graph with vertices P, Q, R, S, T, U is given by Use Dijkstra’s...
- 12M.1.hl.TZ0.2a: Express the number 47502 as a product of its prime factors.
- 12M.1.hl.TZ0.2b: The positive integers M , N are such that \gcd (M,N) = 63 and lcm(M,N) = 47502 ....
- 12M.1.hl.TZ0.6a: Using mathematical induction or otherwise, prove that the number {(1020)_n} , that is the...
- 12M.1.hl.TZ0.6b: Explain briefly why the case n = 2 has to be excluded.
- 12M.2.hl.TZ0.2A.a: (i) Show that H is bipartite. (ii) Draw H as a planar graph.
- 12M.2.hl.TZ0.2A.b: (i) Explain what feature of H guarantees that it has an Eulerian circuit. (ii) Write...
- 12M.2.hl.TZ0.2A.c: (i) Find the number of different walks of length five joining A to B. (ii) Determine how...
- 12M.2.hl.TZ0.2A.d: Find the maximum number of extra edges that can be added to H while keeping it simple, planar...
- 12M.2.hl.TZ0.2B.a: Find the smallest positive integer m such that {3^m} \equiv 1(\bmod 22) .
- 12M.2.hl.TZ0.2B.b: Given that {3^{49}} \equiv n(\bmod 22) where 0 \le n \le 21 , find the value of n .
- 12M.2.hl.TZ0.2B.c: Solve the equation {3^x} \equiv 5(\bmod 22) .
- SPNone.1.hl.TZ0.3a: Determine the value of b .
- SPNone.1.hl.TZ0.3b: Find the representation of N (i) in base 10; (ii) in base 12.
- SPNone.1.hl.TZ0.7a: Given that a \equiv b(\bmod p) , show that {a^n} \equiv {b^n}(\bmod p) for all...
- SPNone.1.hl.TZ0.7b: Show that {29^{13}} + {13^{29}} is exactly divisible by 7.
- SPNone.1.hl.TZ0.13: A sequence \left\{ {{u_n}} \right\} satisfies the recurrence relation...
- SPNone.2.hl.TZ0.6a: A connected planar graph has e edges, f faces and v vertices. Prove Euler’s relation,...
- SPNone.2.hl.TZ0.6b: (i) A simple connected planar graph with v vertices, where v \ge 3 , has no circuit...
- SPNone.2.hl.TZ0.6c: The graph P has the following adjacency table, defined for vertices A to H, where each...
- 14M.1.hl.TZ0.1: Find the positive square root of the base 7 number {(551662)_7}, giving your answer as a base...
- 14M.1.hl.TZ0.15: (a) Show that the solution to the linear congruence ax \equiv b(\bmod p), where...
- 14M.2.hl.TZ0.3: The vertices and weights of the graph G are given in the following table. (a) (i) ...
- 14M.2.hl.TZ0.6: (a) Consider the recurrence relation a{u_{n + 1}} + b{u_n} + c{u_{n - 1}} = 0. Show that...
Sub sections and their related questions
6.1
- 15M.2.hl.TZ0.3c: Show using proof by strong induction that the solution is correct.
- 18M.1.hl.TZ0.12b: Consider {v_n} which satisfies the recurrence...
6.2
- 11M.1.hl.TZ0.4a: Prove that if {\rm{gcd}}(a,b) = 1 and {\rm{gcd}}(a,c) = 1 , then {\rm{gcd}}(a,bc) = 1 .
- 09M.1.hl.TZ0.4: Prove that 3k + 2 and 5k + 3 , k \in \mathbb{Z} are relatively prime.
- 13M.1.hl.TZ0.1a: (i) Use the Euclidean algorithm to find gcd(6750, 144) . (ii) Express your...
- 07M.1.hl.TZ0.4a: Use the Euclidean Algorithm to show that 275 and 378 are relatively prime.
- 12M.1.hl.TZ0.2a: Express the number 47502 as a product of its prime factors.
- 12M.1.hl.TZ0.2b: The positive integers M , N are such that \gcd (M,N) = 63 and lcm(M,N) = 47502 ....
- 16M.1.hl.TZ0.9a: Use the Euclidean algorithm to find \gcd (162,{\text{ }}5982).
- 18M.1.hl.TZ0.1a: Use the Euclidean algorithm to find the greatest common divisor of 74 and 383.
- 18M.1.hl.TZ0.1b: Hence find integers s and t such that 74s + 383t = 1.
6.3
- 11M.2.hl.TZ0.4b: (i) Solve 17x \equiv 14(\bmod 21) . (ii) Use the solution found in part (i) to find...
- 07M.1.hl.TZ0.4b: Find the general solution to the diophantine equation 275x + 378y = 1 .
- 15M.1.hl.TZ0.2a: Find the general solution to the Diophantine equation 3x + 5y = 7.
- 15M.1.hl.TZ0.2b: Find the values of x and y satisfying the equation for which x has the smallest...
- 16M.1.hl.TZ0.3a: Find the general solution to this equation.
- 16M.1.hl.TZ0.3b: Hence find the solution with minimum positive value of xy.
- 16M.1.hl.TZ0.3c: Find the solution satisfying xy = 2014.
6.4
- 11M.2.hl.TZ0.4b: (i) Solve 17x \equiv 14(\bmod 21) . (ii) Use the solution found in part (i) to find...
- 10M.1.hl.TZ0.4: Given that {n^2} + 2n + 3 \equiv N(\bmod 8) , where n \in {\mathbb{Z}^ + } and...
- 09M.1.hl.TZ0.6c: Show that \sum\limits_{n = 1}^{100} {n! \equiv 3(\bmod 15)} .
- 09M.2.hl.TZ0.3B.a: Given that the integers m and n are such that 3|({m^2} + {n^2}) , prove that 3|m...
- 09M.2.hl.TZ0.3B.b: Hence show that \sqrt 2 is irrational.
- 08M.2.hl.TZ0.1B.b: Hence solve the simultaneous linear congruences3x \equiv 4(\bmod 5)\[5x \equiv 6(\bmod...
- 12M.2.hl.TZ0.2B.a: Find the smallest positive integer m such that {3^m} \equiv 1(\bmod 22) .
- 12M.2.hl.TZ0.2B.b: Given that {3^{49}} \equiv n(\bmod 22) where 0 \le n \le 21 , find the value of n .
- 12M.2.hl.TZ0.2B.c: Solve the equation {3^x} \equiv 5(\bmod 22) .
- 14M.1.hl.TZ0.15: (a) Show that the solution to the linear congruence ax \equiv b(\bmod p), where...
- 16M.1.hl.TZ0.10a: Show that {2^n} \equiv {( - 1)^n}(\bmod 3), where n \in \mathbb{N}.
- 17M.1.hl.TZ0.2b: Hence find the smallest value of x greater than 100 satisfying the linear congruence...
- 17M.1.hl.TZ0.11a.i: Without attempting to draw J, verify that J satisfies the handshaking lemma;
6.5
- 11M.1.hl.TZ0.3a: Prove that the number 14 641 is the fourth power of an integer in any base greater than 6.
- 13M.1.hl.TZ0.1b: Consider the base 15 number CBA, where A, B, C represent respectively the digits ten, eleven,...
- 12M.1.hl.TZ0.6a: Using mathematical induction or otherwise, prove that the number {(1020)_n} , that is the...
- 12M.1.hl.TZ0.6b: Explain briefly why the case n = 2 has to be excluded.
- SPNone.1.hl.TZ0.3a: Determine the value of b .
- SPNone.1.hl.TZ0.3b: Find the representation of N (i) in base 10; (ii) in base 12.
- 14M.1.hl.TZ0.1: Find the positive square root of the base 7 number {(551662)_7}, giving your answer as a base...
- 15M.1.hl.TZ0.9a: In base 5 an integer is written 1031. Express this integer in base 10.
- 15M.1.hl.TZ0.9b: Given that N = 365,{\text{ }}r = 10 and s = 7 find the values of...
- 15M.1.hl.TZ0.9c: (i) Given that N = 899,{\text{ }}r = 10 and s = 12 find the values of...
- 15M.1.hl.TZ0.9d: Show that 121 is always a square number in any base greater than 2.
- 16M.1.hl.TZ0.10b: Hence show that an integer is divisible by 3 if and only if the difference between the sum of its...
- 16M.1.hl.TZ0.10c: Express the hexadecimal (base 16) number {\text{ABB}}{{\text{A}}_{{\text{16}}}} in binary.
- 18M.1.hl.TZ0.3a: A number written in base 5 is 4303. Find this as a number written in base 10.
- 18M.1.hl.TZ0.3b: 1000 is a number written in base 10. Find this as a number written in base 7.
6.6
- 11M.2.hl.TZ0.4a: Given the linear congruence ax \equiv b({\rm{mod}}p) , where a , b \in \mathbb{Z} ,...
- 08M.2.hl.TZ0.1B.a: Given that ax \equiv b(\bmod p) where a,b,p,x \in {\mathbb{Z}^ + } , p is prime and...
- SPNone.1.hl.TZ0.7a: Given that a \equiv b(\bmod p) , show that {a^n} \equiv {b^n}(\bmod p) for all...
- SPNone.1.hl.TZ0.7b: Show that {29^{13}} + {13^{29}} is exactly divisible by 7.
- 14M.1.hl.TZ0.15: (a) Show that the solution to the linear congruence ax \equiv b(\bmod p), where...
- 17M.1.hl.TZ0.2a: Consider the linear congruence ax \equiv b(\bmod p) where...
6.7
- 11M.1.hl.TZ0.4b: (i) A simple graph has e edges and v vertices, where v > 2 . Prove that if all the...
- 11M.2.hl.TZ0.1a: Draw a planar graph to represent this map.
- 11M.2.hl.TZ0.1b: Write down the adjacency matrix of the graph.
- 11M.2.hl.TZ0.1c: List the degrees of each of the vertices.
- 10M.1.hl.TZ0.3a: (i) Write down the adjacency matrix for G . (ii) Find the number of walks of length...
- 10M.1.hl.TZ0.3b: (i) Draw G', the complement of G . (ii) Write down the degrees of all the...
- 13M.2.hl.TZ0.4a: (i) Draw the planar graph H that represents these mutual friendships. (ii) State how...
- 13M.2.hl.TZ0.4c: Verify Euler’s formula for H .
- 13M.2.hl.TZ0.4d: State, giving a reason, whether or not H is bipartite.
- 13M.2.hl.TZ0.4e: Write down the adjacency matrix for H .
- 13M.2.hl.TZ0.4f: David wishes to send a message to Grace, in a sealed envelope, through mutual friends. In how...
- 08M.1.hl.TZ0.1a: Determine whether or not G is bipartite.
- 08M.1.hl.TZ0.1b: (i) Write down the adjacency matrix for G. (ii) Find the number of distinct walks of...
- 08M.2.hl.TZ0.1A.a: The graph G has the following cost adjacency matrix. Draw G in planar form.
- 07M.2.hl.TZ0.1a: (i) Explain briefly why G has no Eulerian circuit. (ii) Determine whether or not...
- 12M.2.hl.TZ0.2A.a: (i) Show that H is bipartite. (ii) Draw H as a planar graph.
- 12M.2.hl.TZ0.2A.d: Find the maximum number of extra edges that can be added to H while keeping it simple, planar...
- SPNone.2.hl.TZ0.6a: A connected planar graph has e edges, f faces and v vertices. Prove Euler’s relation,...
- SPNone.2.hl.TZ0.6b: (i) A simple connected planar graph with v vertices, where v \ge 3 , has no circuit...
- SPNone.2.hl.TZ0.6c: The graph P has the following adjacency table, defined for vertices A to H, where each...
- 15M.1.hl.TZ0.4a: Draw the simple graph G.
- 15M.1.hl.TZ0.4d: State whether or not G is planar, giving a reason for your answer.
- 15M.1.hl.TZ0.4e: State whether or not the simple graph G is bipartite, giving a reason for your answer.
- 15M.1.hl.TZ0.4f: Draw the complement G' of G.
- 17M.1.hl.TZ0.11a.i: Without attempting to draw J, verify that J satisfies the handshaking lemma;
- 18M.2.hl.TZ0.3a: Draw a graph G to represent this floorplan where the rooms are represented by the vertices and an...
6.8
- 11M.2.hl.TZ0.1d: State with reasons whether or not this graph has (i) an Eulerian circuit; (ii) an...
- 11M.2.hl.TZ0.1e: Find the number of walks of length 4 from E to F.
- 10M.2.hl.TZ0.3a: (i) Explain briefly what features of the graph enable you to state that G has an Eulerian...
- 13M.2.hl.TZ0.4b: Determine, giving reasons, whether H has (i) a Hamiltonian path; (ii) a...
- 12M.2.hl.TZ0.2A.b: (i) Explain what feature of H guarantees that it has an Eulerian circuit. (ii) Write...
- 12M.2.hl.TZ0.2A.c: (i) Find the number of different walks of length five joining A to B. (ii) Determine how...
- 15M.1.hl.TZ0.4b: Explain why G does not contain an Eulerian circuit.
- 15M.1.hl.TZ0.4c: Show that G has a Hamiltonian cycle.
- 16M.2.hl.TZ0.1a: Determine whether or not the graph is Eulerian.
- 16M.2.hl.TZ0.1b: Determine whether or not the graph is Hamiltonian.
- 17M.1.hl.TZ0.11c.i: Explain why a graph containing a cycle of length three cannot be bipartite.
- 17M.2.hl.TZ0.1a.i: State what features of the graph enable you to state that G contains an Eulerian trail but no...
- 17M.2.hl.TZ0.1a.ii: Write down an Eulerian trail.
- 17M.2.hl.TZ0.1b: Use Dijkstra’s algorithm to find the path of minimum total weight joining A to D, stating this...
- 18M.2.hl.TZ0.3b.i: Explain why the graph G has an Eulerian trail but not an Eulerian circuit.
- 18M.2.hl.TZ0.3b.ii: Explain the consequences of having an Eulerian trail but not an Eulerian circuit, for Pauline’s...
- 18M.2.hl.TZ0.3c.i: Write down a Hamiltonian cycle for the graph G.
- 18M.2.hl.TZ0.3c.ii: Explain the consequences of having a Hamiltonian cycle for Pauline’s visit to the ground floor of...
6.9
- 10M.2.hl.TZ0.3b: (i) Use Kruskal’s algorithm to find and draw the minimum spanning tree for G . Your...
- 10M.2.hl.TZ0.3c: Use Dijkstra’s algorithm to find the path of minimum total weight joining A to D, and state its...
- 09M.2.hl.TZ0.3A.a: Use Kruskal’s algorithm to find a minimum spanning tree for the weighted graph shown below. State...
- 07M.2.hl.TZ0.1b: The cost adjacency matrix of a graph with vertices P, Q, R, S, T, U is given by Use Dijkstra’s...
- 14M.2.hl.TZ0.3: The vertices and weights of the graph G are given in the following table. (a) (i) ...
- 16M.2.hl.TZ0.1c: Use Kruskal’s algorithm to find a minimum weight spanning tree and state its weight.
- 16M.2.hl.TZ0.1d: Deduce an upper bound for the total weight of a closed walk of minimum weight which visits every...
- 16M.2.hl.TZ0.1e: Explain how the result in part (b) can be used to find a different upper bound and state its value.
- 18M.2.hl.TZ0.3d: Use the nearest-neighbour algorithm to determine a possible route and an upper bound for the...
- 18M.2.hl.TZ0.3e: By removing Z, use the deleted vertex algorithm to determine a lower bound for the length of her...
6.10
- 09M.2.hl.TZ0.3A.b: For the travelling salesman problem defined by this graph, find (i) an upper bound; ...
- 14M.2.hl.TZ0.3: The vertices and weights of the graph G are given in the following table. (a) (i) ...
6.11
- SPNone.1.hl.TZ0.13: A sequence \left\{ {{u_n}} \right\} satisfies the recurrence relation...
- 14M.2.hl.TZ0.6: (a) Consider the recurrence relation a{u_{n + 1}} + b{u_n} + c{u_{n - 1}} = 0. Show that...
- 15M.2.hl.TZ0.3a: Show that for n \geqslant 2,{\text{ }}{x_n} = 4{x_{n - 1}} - 3{x_{n - 2}}.
- 15M.2.hl.TZ0.3b: Solve the recurrence relation.
- 16M.1.hl.TZ0.6a: Find {H_2}, {H_3} and {H_4}.
- 16M.1.hl.TZ0.6b: Conjecture a formula for {H_n} in terms of n, for n \in {\mathbb{Z}^ + }.
- 16M.1.hl.TZ0.6c: Prove by mathematical induction that your formula is valid for all n \in {\mathbb{Z}^ + }.
- 16M.2.hl.TZ0.5a: (i) Find an expression for {u_n} in terms of n. (ii) Show that the sequence...
- 16M.2.hl.TZ0.5b: The sequence \{ {v_n}:n \in {\mathbb{Z}^ + }\} satisfies the recurrence relation...
- 16M.2.hl.TZ0.5c: (i) Find an expression for {w_n} in terms of n. (ii) Show that {w_{3n}} = 0...
- 17M.2.hl.TZ0.3a.i: Write down the auxiliary equation.
- 17M.2.hl.TZ0.3a.ii: Given that {u_1} = 12,{\text{ }}{u_2} = 6, show...
- 17M.2.hl.TZ0.3a.iii: Determine the value...
- 17M.2.hl.TZ0.3b: Determine the second-degree recurrence relation satisfied by \{ {v_n}\} .
- 18M.1.hl.TZ0.12a: Solve the recurrence relation {u_n} = 4{u_{n - 1}} - 4{u_{n - 2}} given that...