Answered: A is an nxn orthogonal matrix. Which of…

A is an nxn orthogonal matrix. Which of the following matrices are orthogonal? OA. -A-2 OB. 3A OC. 1 ZA OD. 2AT O E. All of the above. F. None of the above.

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter9: Systems Of Equations And Inequalities

Section9.8: Determinants

Problem 12E

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A is an nxn orthogonal matrix.
Which of the following matrices are orthogonal?
OA. -A-2
OB. 3A
OC. 1
ZA
OD. 2AT
O E. All of the above.
F. None of the above.

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