If ax−1=bc, by−1=ac, cz−1=ab such that x,y,z are integers then – InterviewSolution

1.	If ax−1=bc, by−1=ac, cz−1=ab such that x,y,z are integers then value of xy+yz+zx–xyz is
Answer» If $a^{x - 1} = b c, b^{y - 1} = a c, c^{z - 1} = a b$ such that $x, y, z$ are integers then value of $x y + y z + z x - x y z$ is

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