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6 marksIntegration I

CAPE Pure Mathematics Unit 1 · May/June 2009 · Paper 2 · Question 6(b)

Given that ∫₀ᵃ (x + 1) dx = 3 ∫₀ᵃ (x - 1) dx, a > 0, find the value of the constant a.

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Other parts of this question

  1. 6(a)Show that d²y/dx² + 4y = 0.[6 marks]
  2. 6(c)(i)Show that the volume, V cm³, of the tray is given by V = 4(x³ - 13x² + 40x).[5 marks]
  3. 6(c)(ii)Hence, find a possible value of x such that V is a maximum.[8 marks]

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