Full answer: In each of 1 through 10, test the matrix for singularity by evaluating its
Chapter 8, Problem 8.40(choose chapter or problem)
In each of 1 through 10, test the matrix for singularity by evaluating its determinant. If the matrix is nonsingular, use Theorem 8.4 to compute the inverse. 3 1 2 1 4 6 3 9 21 7 4 13 0 1 5
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