Find the adjoint of the matrix A. Then use the adjoint to find the inverse of A (if possible). (If not possible, enter IMPOSSIBLE.) A = adj(A) = 1 2 1 h oo 1 0 2 -2 1 -1 3 0 0 0 0 -1 0 -1 -1 -EEEE 1 2 0 1 ↓1 1 -2 -1 1-2 1-2 0 0 2 1 - →>>

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