Determine if T (x,y) = (x + y, x - y) is invertable. If so find its inverse.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.3: Lines
Problem 30E
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***BELOW ARE TWO DIFFERENT QUESTIONS, PLEASE SOLVE AND SHARE SEPARATE ANSWERS FOR BOTH WITH STEPS***

 

Q1) Determine if T (x,y) = (x + y, x - y) is invertable. If so find its inverse.

 

                      -2   2    -3

Q2) Given A = 2   1    -6 determine if -3 is an eigenvalue for the eigenvector (-2,1,0)

                      -1   -2    0

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