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1 Unit AS 1: Pure Mathematics

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Question 57

The gradient of the chord joining the points on y=x3−2xy=x^3-2xy=x3−2x with xxx-coordinates a a\,a and a+ha+ha+h is 3a2+3ah+h2−23a^2+3ah+h^2-23a2+3ah+h2−2. Find the tangent gradient at x=ax=ax=a and explain the limiting step.

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1 Unit AS 1: Pure Mathematics Questions

  1. A Level
  2. /Maths
  3. /1 Unit AS 1: Pure Mathematics

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