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Mathematics (AS & A Level) · Oct / Nov 2022 · Paper 31 · Question 7

9709

As printed in the paper

The question as text

The equation of a curve is y = x cos2x, for 0 ≤x < 1 2π. At the point where x = a, the tangent to the curve has gradient equal to 12. `_ a

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

  • 7(b)[2]

  • 7(c)[3]

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