Mathematics (AS & A Level) · May / June 2024 · Paper 31 · Question 9
9709
As printed in the paper
The question as text
The equations of two straight lines l1 and l2 are l1: ( ) a 2 3 2 r i j k i j k m = - + + - + and l2: ( ) 3 2 2 r i j k i j k n =- - - + - - , where a is a constant. The lines l1 and l2 are perpendicular.
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Show the answer and mark scheme
9(a)[1]
9(b)[4]
9(c)[2]
9(d)[2]
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