For the matrix A= 1-1123018210 show that A(adj A)=O.

For the matrix A= $[\begin{matrix} 1 & - 1 & 1 \\ 2 & 3 & 0 \\ 18 & 2 & 10 \end{matrix}]$ show that A(adj A)=O.

Matching exercise

Match the items on the right to the items on the left.

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