For any two vectors A and B, show that AB = AxBx + AyBy + AzBz. (Suggestion:

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For any two vectors A and B, show that A∙B = AxBx + AyBy + AzBz. (Suggestion: Write A and B in unit vector form and use Equations 7.4 and 7.5.)
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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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