Mathematics 9709 · AS & A Level · Integration

Integration — practice question

(a)[3]

Find the exact value of $\int \tan^2 3x \, dx$.

(b)[4]

Find the exact value of $\int_{0}^{1} \frac{e^{3x} + 4}{e^{x}} \, dx$. Show every stage of your working.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Use the identity $\tan^2 3x=\sec^2 3x-1$” …

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