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3 Unit A2 1: Pure Mathematics (A-level only)

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Question 285
a.

Work out the first three terms in the binomial expansion of 1(2+3x)2\dfrac{1}{(2 + 3x)^2}(2+3x)21​.

[4]
b.

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

[1]
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3 Unit A2 1: Pure Mathematics (A-level only) Questions

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