DP Mathematics: Analysis and Approaches Questionbank

AHL 1.16—Solution of systems of linear equations
Description
[N/A]Directly related questions
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22M.1.AHL.TZ1.11c:
Find the distance between LL and ∏3∏3.
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22M.1.AHL.TZ1.11a:
Show that the three planes do not intersect.
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22M.1.AHL.TZ1.11b.ii:
Find a vector equation of LL, the line of intersection of ∏1∏1 and ∏2∏2.
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22M.1.AHL.TZ1.11b.i:
Verify that the point P(1, -2, 0)P(1, −2, 0) lies on both ∏1∏1 and ∏2∏2.
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17N.2.AHL.TZ0.H_1:
Boxes of mixed fruit are on sale at a local supermarket.
Box A contains 2 bananas, 3 kiwifruit and 4 melons, and costs $6.58.
Box B contains 5 bananas, 2 kiwifruit and 8 melons and costs $12.32.
Box C contains 5 bananas and 4 kiwifruit and costs $3.00.
Find the cost of each type of fruit.
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18N.1.AHL.TZ0.H_4a:
Find the value of aa for which the system of equations does not have a unique solution.
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18N.1.AHL.TZ0.H_4b:
Find the solution of the system of equations when a=2a=2.
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19N.1.AHL.TZ0.H_3:
Three planes have equations:
2x−y+z=52x−y+z=5
x+3y−z=4x+3y−z=4 , where a, b∈R.
3x−5y+az=b
Find the set of values of a and b such that the three planes have no points of intersection.