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Binomial Expansion

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Question 89
a.

Find the first 4 terms, in ascending powers of xxx, of the binomial expansion of

(3−4x)7 (3 - 4x)^7 (3−4x)7

giving each term in simplest form.

[4]
b.

This expansion is to be used to find an approximation for 2.9672.96^72.967. State the value of xxx that should be used. (There is no need to carry out this calculation.)

[1]

Binomial Expansion Questions

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