If a > 0; b > 0; show that lim (n + a)(n + b) - n)

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If a > 0; b > 0; show that lim (√n + a)(n + b) - n) = (a + b)/2.
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Introduction to Real Analysis

ISBN: 978-0471433316

4th edition

Authors: Robert G. Bartle, Donald R. Sherbert

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