If a^2+b^2-1=0 and ab-b-a=2,then the value of the expression 1-a-b can – InterviewSolution

1.	If a^2+b^2-1=0 and ab-b-a=2,then the value of the expression 1-a-b can be
Answer» If a^2+b^2-1=0 and ab-b-a=2,then the value of the expression 1-a-b can be

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