Answered: 1 2 Let (A – 21)-1=| 3 4 where / is the…

1 2 Let (A – 21)-1=| 3 4 where / is the identity matrix,then A = Select one: а. 0 3 7 3 2 2 b. 1 3 3 - 2 2 c. -2 1 3 1 - 2 d. 4 -2 -3

Elementary Linear Algebra (MindTap Course List)

8th Edition

ISBN:9781305658004

Author:Ron Larson

Publisher:Ron Larson

Chapter6: Linear Transformations

Section6.4: Transistion Matrices And Similarity

Problem 29E

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Question

Let (A - 21)-1=
3 4
1 2
where / is the identity matrix,then A=
Select one:
а.
0 3
7 3
-
2 2
b.
1
3 3
2 2
-
-2
1
3
--
-
2
2
d.
4 -2
-3
1

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