Mathematics (AS & A Level) · May / June 2022 · Paper 31 · Question 7
9709
As printed in the paper
The question as text
The complex number u is defined by u = 2 −a 2i 1 + 2i , where a is a positive integer.
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Show the answer and mark scheme
7(a)[3]
7(b)[2]
7(c)[3]
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