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1 markPaper 1 · Multiple choiceCubic Functions and Equations

CAPE Pure Mathematics Unit 1 · May/June 2011 · Paper 1 · Question Q7

If \alpha and \beta represent roots of the equation x^2 - px + q = 0, then the value of \alpha^2 + \beta^2 is

  1. (A)p^2
  2. (B)p - q
  3. (C)p^2 - 2q
  4. (D)p^2 + 2q

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