OCR A-level Mathematics A · H240

Partial fractions

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OCR format & instructions

Calculator permitted. Give clear working in the answer booklet and label each part. Formulae are provided in the official question paper.

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QUESTION PAPER

Mathematics · A levelPure mathematics · H240/01

Torus Maths original · OCR style

For $x>0$ , $f(x)=\frac{x^2+4x+8}{x(x+2)^2}$ .

(a)

Express f(x) in the form $\frac A x+\frac B{x+2}+\frac C{(x+2)^2}$ .

[3]

(b)

Find the exact value of $\int_{2}^{4}f(x)\,dx$ .

[4]

Question reference: ocr-unseen-06-01Report a question →

Answer booklet

Question 1 · Show your working

(a)

Answer booklet · Question 1(a)

(b)

Answer booklet · Question 1(b)

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