Use the inverse matrices to find (AB)-1, (AT)-1, and (2A)-¹. A-1 -[(13) [41] = (a) (AB)-¹ (b) (AT)-1 B-1 = 28 (c) (2A)-¹

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Use the inverse matrices to find (AB)-1, (AT)-1, and (2A)-¹. A-1 -[(13) [41] = (a) (AB)-¹ (b) (AT)-1 B-1 = 28 (c) (2A)-¹

Use the inverse matrices to find (AB)-1, (AT)-1, and (24)-¹.
8- 1 = [ - 1 1 ]
B
A-1 =
1
2-1
(a) (AB)-1
(b) (AT)-1
(c) (2A)-1
↓1
11
Transcribed Image Text:Use the inverse matrices to find (AB)-1, (AT)-1, and (24)-¹. 8- 1 = [ - 1 1 ] B A-1 = 1 2-1 (a) (AB)-1 (b) (AT)-1 (c) (2A)-1 ↓1 11
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