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9.9 Using Second Derivatives

9.9 Using Second Derivatives

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Question 3

A function f f\,f is defined by f(x)=2x1+x2,x∈R\displaystyle f(x) = \frac{2x}{1+x^2}, x \in \mathbb{R}f(x)=1+x22x​,x∈R.

Find the coordinates of the stationary points of the graph of y=f(x)y = f(x)y=f(x) and determine the nature of these stationary points.

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Markscheme

9.9 Using Second Derivatives Questions

  1. A Level
  2. /Maths
  3. /9.9 Using Second Derivatives

57 exam-style questions on Edexcel A Level Maths 9.9 Using Second Derivatives. Each one has a worked solution and a mark scheme showing where the marks go.

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