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Let f be defined for all non-zero real numbers x as f(x)+2f(1x)=3x. Then the number of values of x satisfying the equation f(x)=f(−x) is

Answer» Let f be defined for all non-zero real numbers x as f(x)+2f(1x)=3x. Then the number of values of x satisfying the equation f(x)=f(x) is


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