6 marksThe Real Number System – ℝ

CAPE Pure Mathematics Unit 1 · May/June 2006 · Paper 1 · Question 9(b)

Find the real numbers u and v such that (u + 2i)/(3 - 4i) = 1 + vi.

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9(a)The roots of the quadratic equation x^2 + 6x + k = 0 are -3 + 2i and -3 - 2i. Find the value of the constant k.[2 marks]

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