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Mathematics (AS & A Level) · May / June 2023 · Paper 33 · Question 11

9709

As printed in the paper

The question as text

The complex number z is defined by z = 5a −2i 3 + ai , where a is an integer. It is given that arg z = −1 4π.

Read automatically from the paper; the printed page above is exact.

Show the answer and mark scheme
  • 11(a)[6]

  • 11(b)[3]

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