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1.7.14 Stationary points

1.7.14 Stationary points

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Question 27

A curve C C\,C is defined by the function

y=15+12x−12x2−13x3 y = 15 + 12x - \frac{1}{2}x^2 - \frac{1}{3}x^3 y=15+12x−21​x2−31​x3
a.

Using calculus, determine the xxx-coordinates of the stationary points of CCC.

[4]
b.

Justify, by using the second derivative, the nature of each of these stationary points.

[3]
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1.7.14 Stationary points Questions

  1. A Level
  2. /Maths
  3. /1.7.14 Stationary points

57 exam-style questions on OCR A Level Maths 1.7.14 Stationary points. Each one has a worked solution and a mark scheme showing where the marks go.

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