Assume that a > 0, b > 0. Prove each statement. (a) a < b a2

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Assume that a > 0, b > 0. Prove each statement.
(a) a < b ⇔ a2 < b2
(b) a < b ⇔ 1/a > 1/b
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Calculus

ISBN: 978-0131429246

9th edition

Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon

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