Answered: 5) The sum of two vectors A and B is at…

5) The sum of two vectors A and B is at right angles to their difference. Prove algebraically that the two vectors are equal in magnitude.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 7P

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5) The sum of two vectors A and B is at right angles to their difference. Prove algebraically
that the two vectors are equal in magnitude.

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so for the first one would be exactly the opposite I think and second one strigh line between to vectors but not sure for the third one
Solve it as soon as possible