Unless otherwise specified, assume that all matrices in these exercises are nxn. Determine which of the matrices in Exercises 1-10 are invertible. Use as few calculations as possible. Justify your answers. 1. 3. 5. 5 -3 5 -3 8 7 -6 0 -7 5 0 0 03 1 0 -4 -9 -1 3-5 2 7 sou 2. 4. 201 6. -4 6 6 -7 0 3 0 20 -1 9 1 -5 -4 1611 1] 0 3 4 -3 0
Unless otherwise specified, assume that all matrices in these exercises are nxn. Determine which of the matrices in Exercises 1-10 are invertible. Use as few calculations as possible. Justify your answers. 1. 3. 5. 5 -3 5 -3 8 7 -6 0 -7 5 0 0 03 1 0 -4 -9 -1 3-5 2 7 sou 2. 4. 201 6. -4 6 6 -7 0 3 0 20 -1 9 1 -5 -4 1611 1] 0 3 4 -3 0
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.2: Determinants
Problem 10AEXP
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