If A=(2-3 5 3 2-4 1 1-2), find A^(-1) . ...

If `A=(2-3 5 3 2-4 1 1-2),` find `A^(-1)` . Using `A^(-1)` solve the following system of equations: `2x-3y+5z=16 ;\ \ 3x+2y-4z=-4;\ \ x+y-2z=-3`

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The correct Answer is:

`x=2`, `y=1`, `z=3`

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