Question: 6. Show that the matrix A below is a P-matrix. A = $$ begin{bmatrix} 3 & 10 & -5 1 & 4 & -2

6. Show that the matrix A below is a P-matrix.

A =

$$

\begin{bmatrix}

3 & 10 & -5 \\

1 & 4 & -2 \\

-1 & 0 & 7

\end{bmatrix}

$$

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