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[" If "f(x)=cos(log x)," then "f(x^(2))*...

[" If "f(x)=cos(log x)," then "f(x^(2))*f(y^(2))-(1)/(2)[f(x^(2)y^(2))+f((x^(2))/(y^(2)))],[[" 1) "-2," 2) "-1," 3) "(1)/(2)]]

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