Answered: If possible, find AB, BA, and A². (If…

If possible, find AB, BA, and A². (If not possible, enter IMPOSSIBLE in any cell of the matrix.) 7 A- [4] 0 - [211] 8 = B = -4 (a) AB AB= (b) BA BA = (c) A² A² = 11

Elementary Linear Algebra (MindTap Course List)

8th Edition

ISBN:9781305658004

Author:Ron Larson

Publisher:Ron Larson

Chapter2: Matrices

Section2.CR: Review Exercises

Problem 40CR

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Question

If possible, find AB, BA, and A². (If not possible, enter IMPOSSIBLE in any cell of the matrix.)
7
--[***]
A = 8 B = 2 1 1
1]
-4
(a)
-888-
1
AB =
AB
(b) BA
BA =
A² =
(c) A²
2
-
10:
→

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