Suppose A and I are bothn xn matrices, then а. А 0 = |A| I b. A 0 = |4|"| I c. A 0 :-|A| 0 I d. | A 0 =-|4|" I

Algebra and Trigonometry (6th Edition)
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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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Suppose A and I are bothn x n matrices, then
a.
A
= |A|
I
O b. A 0
= |A|"
I
O c. A 0
= -|A
I
O d. A
= -|4|"
I
إزالة العلامة المائية
الممسوحة ضوئيا ب- CamScan ner
3
Suppose A =
4
and its cofactor matrix
a2
6
and if D is the cofactor matrix
3
is C =
of C then:
O a. A = 34
O b. A| = 156
O c. A = 39
O d. A| = 78
الممسوحة شوليا = CamScan ner
Suppose Q is an orthogonal matrix and C' is its
cofactor matrix then:
a. C = Q"
b. C = -Q"
O c. C = +Q
O d. C = I
Transcribed Image Text:Suppose A and I are bothn x n matrices, then a. A = |A| I O b. A 0 = |A|" I O c. A 0 = -|A I O d. A = -|4|" I إزالة العلامة المائية الممسوحة ضوئيا ب- CamScan ner 3 Suppose A = 4 and its cofactor matrix a2 6 and if D is the cofactor matrix 3 is C = of C then: O a. A = 34 O b. A| = 156 O c. A = 39 O d. A| = 78 الممسوحة شوليا = CamScan ner Suppose Q is an orthogonal matrix and C' is its cofactor matrix then: a. C = Q" b. C = -Q" O c. C = +Q O d. C = I
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