Without using a calculator, work out (a) (5 2) 2 (b) 5 2 2 2 Is it true in general that (a b) 2 a 2 b 2 ...

Without using a calculator, work out (a) (5 2) 2 (b) 5 2 2 2

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Without using a calculator, work out
(a) (5 − 2)²

(b) 5² − 2²
Is it true in general that (a − b)² = a² − b²?

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Mathematics for Economics and Business

ISBN: 978-1292191669

9th edition

Authors: Ian Jacques

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Question Posted: Apr 18, 2019 08:25 AM

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Without using a calculator, work out (a) (5 2) 2 (b) 5 2 2 2

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a 9 b...View the full answer

Mathematics for Economics and Business

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