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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Chapter3: Determinants
Section3.CM: Cumulative Review
Problem 23CM: Let X1,X2,X3 and b be the column matrices below. X1=[101], X2=[110], X3=[011] and b=[123] Find...
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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.
Transcribed Image Text: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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