If 5f(x)+3f(1/x)=x+2 y=xf(x), then dy/dx,at x=1 is ---
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Originally Posted by matsci0000 If 5f(x)+3f(1/x)=x+2 y=xf(x), then dy/dx,at x=1 is --- . From get: ** and from here you get ** Derivating, and substituing you get . Deduce now the solution. Tonio
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