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For A If x= = - 101 1 203 1 () 1 we have A-1 is a solution to Ax X y = N

For A If x= = - 101 1 203 1 () 1 we have A-1 is a solution to Ax X y = N 000 = 2 8 3 0-1 -1 1 0 -2 0 1 - 0 , then we have

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