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If A = [(1,2,3),(1,3,-1),(-1,1,-7)], fin...

If A = `[(1,2,3),(1,3,-1),(-1,1,-7)]`, find `A^(-1)`, hence solve the following system of linear equations:
x + y - z = 3 , 2x + 3y +z 10 and 3x - y - 7z = 1

Text Solution

Verified by Experts

The correct Answer is:
(i) `[(3,-2),(3,-6)]` (ii)`[(3,-2),(3,-6)]`
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