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OCR A-level Mathematics A · H240

Binomial expansion

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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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  • 01 · Pure · 100 marks · 2 hours
  • 02 · Pure & statistics · 100 marks · 2 hours
  • 03 · Pure & mechanics · 100 marks · 2 hours
Official specification ↗ · Official past papers ↗
QUESTION PAPER
Mathematics · A levelPure mathematics · H240/01
Torus Maths original · OCR style
1

Find the coefficient of x3x^3 in the expansion of (1+2x)−1/2(1−3x)(1+2x)^{-1/2}(1-3x) about x=0x=0.

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Question reference: ocr-a-level-pure-ranked-20-01Report a question →

Answer booklet

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