Let A = -8 -4 9 27] B-1 -8 =[ woo Solve the following equations for X. a) A ¹XB-C=0 b) CX = -2X + I -1 c) AX ¹ =BX¹ + I 0 7 -3 7 -[2₂2 and C= 4 -10 We can also assume that A and B are invertible.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.9: Properties Of Determinants
Problem 12E
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Question
-8 9
-8 0
7
Let A - [ ] B¹-[**] -dc-[20]
=
and C=
4
-7
7 -3
Solve the following equations for X.
a) A ¹XB-C=0
b) CX = -2X + I
c) _AX¯¹ =BX¯¹ + I
Answers:
a)
X =
b)
-1
X =
c)
4
We can also assume that A and B are invertible.
Transcribed Image Text:-8 9 -8 0 7 Let A - [ ] B¹-[**] -dc-[20] = and C= 4 -7 7 -3 Solve the following equations for X. a) A ¹XB-C=0 b) CX = -2X + I c) _AX¯¹ =BX¯¹ + I Answers: a) X = b) -1 X = c) 4 We can also assume that A and B are invertible.
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