Question

$f(x) = \cos( logx)$
Then find the value of,

$f( {x}^{2} )f( {y}^{2} ) - \frac{1}{2} ( \frac{f( {x}^{2} )}{f( {y}^{2} )} + f( {x}^{2} {y}^{2} ))$

Answer 1

Answer:

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