a x + b y = 1 ; b x + a y = \frac { ( a + b ) ^ { 2 } } { a ^ { 2 } + – InterviewSolution

1.	a x + b y = 1 ; b x + a y = \frac { ( a + b ) ^ { 2 } } { a ^ { 2 } + b ^ { 2 } } - 1
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