Edexcel Core Mathematics C3 January 2009

1. (a) Find the value of dy/dx at the point where x = 2 on the curve with equation
   y = x²√(5x - 1).
   (b) Differentiate sin2x/x² with respect to x.
   
2. (a) Express f (x) as a single fraction in its simplest form.
   (b) Hence show that f'(x) = 2/(x - 3)²

A-Level Edexcel C3 January 2009 Q1(a)

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A-Level Edexcel C3 January 2009 Q1(b)

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A-Level Edexcel C3 January 2009 Q2(a)

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A-Level Edexcel C3 January 2009 Q2(b)

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