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Differentiation

Differentiation

Medium
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Question 3
50%

y=x3−2x2−15x+5y = x^3 - 2x^2 - 15x + 5y=x3−2x2−15x+5

a.

Find dydx\displaystyle \frac{dy}{dx}dxdy​

[2]
b.

C is the curve with equation y=x3−2x2−15x+5y = x^3 - 2x^2 - 15x + 5y=x3−2x2−15x+5

Work out the range of values of x x\,x for which C has a negative gradient.

[4]
Markscheme

Differentiation Questions

  1. IGCSE
  2. /Maths
  3. /Differentiation

5 exam-style questions on Edexcel IGCSE Maths Differentiation. Each one has a worked solution and a mark scheme showing where the marks go.

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