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AS Unit 1 Pure Mathematics A

Quick questions on The binomial expansion for positive integer powers - WJEC A-Level Maths

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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Expand (1+x)5(1 + x)^5 fully. [2 marks]
What is q2?
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Find the coefficient of x4x^4 in (2+x)7(2 + x)^7. [3 marks]
What is q3?
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Find the constant term in the expansion of (2x+3)4(2x + 3)^4. [2 marks]

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