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If A=[{:(1,2,0),(-2,-1,-2),(0,-1,1):}] f...

If `A=[{:(1,2,0),(-2,-1,-2),(0,-1,1):}]` find `A^(-1)`. Using `A^(-1)`, solve the system of linear equations x-2y=10, 2x-y-z=8, -2y+z=7`.

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The correct Answer is:
`therefore x=0,y=-5 and z=-3`
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