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3.4.1 Sequences and Series (A-level only)

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Question 19
a.

Work out the first three terms in the binomial expansion of 1(2−5x)2\displaystyle \frac{1}{(2-5x)^2}(2−5x)21​

[4]
b.

Write down the range of values of x x\,x for which the expansion is valid.

[1]
Markscheme

3.4.1 Sequences and Series (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.4.1 Sequences and Series (A-level only)

67 exam-style questions on WJEC A Level Maths 3.4.1 Sequences and Series (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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