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If `x and y` are positive real numbers and `m, n` are any positive integers, then `(x^n y^m)/((1+x^(2n))(1+y^(2m))) lt 1/4`

A

`(1)/(2)`

B

`(1)/(4)`

C

`(m + n)/(6mn)`

D

`1`

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The correct Answer is:
B
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