Use (7) to prove the Triangle Inequality: First use the Triangle Inequality for numbers to prove ||M||

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Use (7) to prove the Triangle Inequality:

||M|| + ||A|| > ||M + A||

|v.w| ||v||||w||

First use the Triangle Inequality for numbers to prove

. (v +w). (v +w)  (v + w)  v| + |(v +w).w|

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Calculus

ISBN: 9781319055844

4th Edition

Authors: Jon Rogawski, Colin Adams, Robert Franzosa

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