Question: In Problems, (a) Evaluate each determinant (b) Use the determinant to decide whether each matrix has an inverse. Use technology in Problems. 3 2 -1

In Problems,

(a) Evaluate each determinant 

(b) Use the determinant to decide whether each matrix has an inverse. Use technology in Problems.

3 2 -1 2 0 1 1 1,

3 2 -1 2 0 1 1 1,

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