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If y=xlog"{"x/((a+b x))"}" , then show t...

If `y=xlog"{"x/((a+b x))"}"` , then show that `x^3(d^2y)/(dx^2)=(x(dy)/(dx)-y)^2dot`

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If (a+bx)e^(y/x)=x , Prove that x^3(d^2y)/(dx^2)=(x(dy)/(dx)-y)^2

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