1. 4. 2 7 2 2 Let A = 1 4 6 7 1 4 2 2 Decide whether the matrix A is invertible, and if so, use the adjoint method to find its inverse. Enter as a matrix, exactly in fractional from if required, if not invertible enter "NA". A- = Save for Later Attempts: 0 c

Q: Let a Consicler the matrix 121 4) S23. A=/S. 87.3 Find Miz, Ci2 and M2z Czt

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