Q22. If Q, and Q, are n by n orthogonal matrices, then (a) QQ, is also an orthogonal matrix (b) Q-Q, is also an orthogonal matrix (c) Q + Q, is also an orthogonal matrix ((d)all the above (e) none 1 3 3 Q23.1f the matrix A then the rank of this matrix is two if %3D a 2 a (a) a = 6 (b) a # 3 (c) a = 3 ((d)ja * 6 (e) none.
Q22. If Q, and Q, are n by n orthogonal matrices, then (a) QQ, is also an orthogonal matrix (b) Q-Q, is also an orthogonal matrix (c) Q + Q, is also an orthogonal matrix ((d)all the above (e) none 1 3 3 Q23.1f the matrix A then the rank of this matrix is two if %3D a 2 a (a) a = 6 (b) a # 3 (c) a = 3 ((d)ja * 6 (e) none.
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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![Q22. If Q and Q, are n by n orthogonal matrices, then
(a) QQ, is also an orthogonal matrix (b) Q-Q, is also an orthogonal matrix
(c) Q, + Q, is also an orthogonal matrix ((d) all the above (e) none
[3
Q23.1f the matrix A=
1
3
then the rank of this matrix is two if
a 2 a
(b) a #3 (c) a = 3 ((d)ja + 6 (e) none.
(a) a = 6](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F05aad1c9-778c-42da-83db-e0be4d7afa1d%2F6b0fc2b5-c2dd-4d16-8209-14237fb665b8%2Ftgijj2n_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q22. If Q and Q, are n by n orthogonal matrices, then
(a) QQ, is also an orthogonal matrix (b) Q-Q, is also an orthogonal matrix
(c) Q, + Q, is also an orthogonal matrix ((d) all the above (e) none
[3
Q23.1f the matrix A=
1
3
then the rank of this matrix is two if
a 2 a
(b) a #3 (c) a = 3 ((d)ja + 6 (e) none.
(a) a = 6
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