b) Is matrix B an inverse of matrix A? Show the work to justify your answer. CHINT: Multiply AB and see if it gives an I matrix. If it is then, B is inverse of A else it is NOT.) В %3 -3 7 -3 3 3 A = 1 0 -1 1 4 3 2 1 3 -1 0 1 c) Solve x based on the value of Determinant: 6х 2 0 = -4 2 1 3 Answer: -2/9, 1 1 X X

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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Question
b) Is matrix B an inverse of matrix A? Show the work to justify your answer.
CHINT: Multiply AB and see if it gives an I matrix. If it is then, B is inverse of A
else it is NOT.)
В %3
-3
7 -3
3
3
A =
1 0
-1
1
4 3
2
1 3
-1 0 1
c) Solve x based on the value of Determinant:
6х
2
0
= -4
2
1
3
Answer: -2/9, 1
1
X
X
Transcribed Image Text:b) Is matrix B an inverse of matrix A? Show the work to justify your answer. CHINT: Multiply AB and see if it gives an I matrix. If it is then, B is inverse of A else it is NOT.) В %3 -3 7 -3 3 3 A = 1 0 -1 1 4 3 2 1 3 -1 0 1 c) Solve x based on the value of Determinant: 6х 2 0 = -4 2 1 3 Answer: -2/9, 1 1 X X
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