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For what real values of x and y is the equation possible?
ONLY WHEN (X,Y)=(1,1)applying AM>(or equal)GM we get4xy/(x+y)2belongs to (0,1]where as secx belongs to R-[-1,1]so both LHS nRHS can be equal only wn LHS=RHS=1 so x=y=1PLZ APPROVE IF USEFUL
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