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1.9.10 Differentiate e^kx, a^kx and ln x (A-level only)

1.9.10 Differentiate e^kx, a^kx and ln x (A-level only)

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Question 5
a.

Given that y=4xy = 4^xy=4x show that dydx=4xln⁡4\displaystyle \frac{dy}{dx} = 4^x \ln 4dxdy​=4xln4

[2]
b.

Find the equation to the tangent of the curve y=2(2x2)y = 2^{(2x^2)}y=2(2x2) at the point (1,4)(1, 4)(1,4)

[4]
Markscheme

1.9.10 Differentiate e^kx, a^kx and ln x (A-level only) Questions

  1. A Level
  2. /Maths
  3. /1.9.10 Differentiate e^kx, a^kx and ln x (A-level only)

23 exam-style questions on OCR (MEI) A Level Maths 1.9.10 Differentiate e^kx, a^kx and ln x (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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