Mathematics 9709 · AS & A Level · Integration

Integration — practice question

Define $f(x)$ as $\dfrac{7x + 18}{(3x + 2)(x^2 + 4)}$.
(a)[5]

Express $f(x)$ in partial fractions.

(b)[6]

Hence find the exact value of $\int_0^2 f(x)\,dx$.

Worked solution & mark scheme

This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: State or imply the partial-fraction form $\dfrac{A}{3x+2}+\dfrac{Bx+C}{x^2+4}$

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