Show that the transformation T(x1, x2) = (2x1 − 2x2, 9x1 − 8x2) is invertible, and find a formula for T^−1

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter7: Eigenvalues And Eigenvectors
Section7.CR: Review Exercises
Problem 16CR
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Show that the transformation T(x1, x2) = (2x1 − 2x2, 9x1 − 8x2) is invertible, and find a formula for T^−1

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