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3.7 Integration (A-level only)

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Question 29

Use the substitution u=1+exu = 1 + e^xu=1+ex to find

∫e3x1+ex dx\displaystyle\int \frac{e^{3x}}{1 + e^x}\,dx∫1+exe3x​dx

[6]
Markscheme

3.7 Integration (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.7 Integration (A-level only)

221 exam-style questions on WJEC A Level Maths 3.7 Integration (A-level only), covering 3.7.1 Integration (A-level only), 3.7.2 Integration (A-level only), 3.7.3 Integration (A-level only), 3.7.4 Integration (A-level only), 3.7.5 Integration (A-level only), and 3.7.6 Integration (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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