Show that B is the inverse of A. To show that B is the inverse of A, we need to show that AB = I = BA. 10+ -2+ -1 A = - [ 3² ]- B - ( -5 -²] 2 1 95 = -9 2 21 5 -1 - [B][-]- 95 -9 2 AB= BA = = 5 -1 [53]- -9 = 45 + 10+ -18 + -9 + 5+ -9 + = 81
Show that B is the inverse of A. To show that B is the inverse of A, we need to show that AB = I = BA. 10+ -2+ -1 A = - [ 3² ]- B - ( -5 -²] 2 1 95 = -9 2 21 5 -1 - [B][-]- 95 -9 2 AB= BA = = 5 -1 [53]- -9 = 45 + 10+ -18 + -9 + 5+ -9 + = 81
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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