Let and w be vectors in R". Show that if ||v + w||² = ||v||² + ||w||² then and w are perpendicular.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 12E
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Let and u be vectors in R". Show that if
||v + w||² = ||v||²2 + ||w||²
then and are perpendicular.
Transcribed Image Text:Let and u be vectors in R". Show that if ||v + w||² = ||v||²2 + ||w||² then and are perpendicular.
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