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

Explanation

To solve the problem, we need to show that:

\[ x^3 \frac{d^2y}{dx^2} = \left( x \frac{dy}{dx} - y \right)^2 \]

where \( y = x \log\left(\frac{x}{a + bx}\right) \).

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