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Mathematics (AS & A Level) · May / June 2022 · Paper 32 · Question 10

9709

As printed in the paper

The question as text

The complex number −1 + 7i is denoted by u. It is given that u is a root of the equation 2x3 + 3x2 + 14x + k = 0, where k is a real constant.

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Show the answer and mark scheme
  • 10(a)[3]

  • 10(b)[4]

  • 10(c)[2]

  • 10(d)[2]

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