a. Expand (1 + x) 5 . b. Use your answer to part a to express i.
Question:
a. Expand (1 + x)5.
b. Use your answer to part a to express
i. (1 + √3)5 in the form a + b√3,
ii. (1 - √3)5 in the form c + d√3.
c. Use your answers to part b to simplify (1 + √3)5 + (1 - √3)5.
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a 1 x5 1 5x 10x2 10x3 5x4 x5 b i 1 35 1 53 1032 1033 534 35 1 53 103 ...View the full answer
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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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