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11. If A¹ = [1 27 4 6 12. If A¹ = -1 solve AX = 1 2 0] 3 1 2 4 1 [3] for X. -2 solve AX = 1 for X. 4

11. If A¹ = [1 27 4 6 12. If A¹ = -1 solve AX = 1 2 0] 3 1 2 4 1 [3] for X. -2 solve AX = 1 for X. 4

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.3: Quadratic Equations
Problem 40E
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Question

number 11, 12, 14, and 15. 

11. If A¹ = [1 2] 4 6 . solve AX = 3 [³] 1 for X. 1 2 0 -2 12. If A¹ = -1 3 1 solve AX = 1 for X. 2 4 4 4
Transcribed Image Text:11. If A¹ = [1 2] 4 6 . solve AX = 3 [³] 1 for X. 1 2 0 -2 12. If A¹ = -1 3 1 solve AX = 1 for X. 2 4 4 4
In Problems 15-19, use an inverse matrix to find the solution to the systems. x+2y+z=5 (3,4,0) 2x+y-3z=-2 (3x+y+4z=-5 x+3y-6z=7 15. 2x-y+2z=0 16. x+y+2z=-1 (1,0, -1) (x+2y. 17. 2x+3 -x-2
Transcribed Image Text:In Problems 15-19, use an inverse matrix to find the solution to the systems. x+2y+z=5 (3,4,0) 2x+y-3z=-2 (3x+y+4z=-5 x+3y-6z=7 15. 2x-y+2z=0 16. x+y+2z=-1 (1,0, -1) (x+2y. 17. 2x+3 -x-2
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