a. Find, in ascending powers of x, the first 4 terms in the expansion of (1 +
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a. Find, in ascending powers of x, the first 4 terms in the expansion of (1 + x)7.
b. Hence find the coefficient of y3 in the expansions of (1 + y – y2)7.
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Related Book For
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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