2. Find x, y and z x- 3y + 5z = -9 2x - y-3z = 19 3x +y+ 4z -13 %3D (a) Use inverse matrix method (b) Verify your answers using Gaussian elimination

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter7: Matrices And Determinants
Section7.3: The Inverse Of A Square Matrix
Problem 5ECP
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2. Find x, y and z
x- 3y +5z = -9
2x - y- 3z = 19
3x +y + 4z -13
(a) Use inverse matrix method
(b) Verify your answers using Gaussian elimination
Transcribed Image Text:2. Find x, y and z x- 3y +5z = -9 2x - y- 3z = 19 3x +y + 4z -13 (a) Use inverse matrix method (b) Verify your answers using Gaussian elimination
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