(a)[2]
Find $\int e^{1-2x}\,dx$.
(b)[4]
Express $\sin^2 3x$ using $\cos 6x$ and hence find $\int \sin^2 3x\,dx$.
Mathematics 9709 · AS & A Level · Integration
Integration — practice question
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Obtain an integral of the form $ke^{1-2x}$ with any non-zero $k$” …
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