1.

Solve the following : [(x + 1/y)^a (x - 1/y)^b] div [(y + 1/x)^a (y - 1/x)^b] is equal to

Answer»

`(x/y)^(a + B)`
`(y/x)^(a + b)`
`x^a/y^b`
`(XY)^(a + b)`

ANSWER :A


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