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1.7.1 Binomial expansion

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Question 9
a.

Find the binomial expansion of (125+75x)13\displaystyle (125 + 75x)^{\frac{1}{3}}(125+75x)31​ in ascending powers of xxx, up to and including the term in x3x^3x3.

[4]
b.

Find the range of values of x x\,x for which this expansion is valid.

[1]
Markscheme

1.7.1 Binomial expansion Questions

  1. A Level
  2. /Maths
  3. /1.7.1 Binomial expansion

144 exam-style questions on AQA A Level Maths 1.7.1 Binomial expansion. Each one has a worked solution and a mark scheme showing where the marks go.

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