About Equation LI2.1.1

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\begin{equation*} 
\begin{split} 
\frac{\partial y (x)}{\partial x} - -(-1 + 3 x) \frac{\partial^{2} y (x)}{\partial x^{2}} - -\bigl(-x + x^{2}\bigr) \frac{\partial^{3} y (x)}{\partial x^{3}}& =0 
\end{split} 
\end{equation*}
Absolute reference: LI2:diffeq

LaTeX encoding

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\frac{\partial y (x)}{\partial x} - -(-1 + 3 x) \frac{\partial^{2} y (x)}{\partial x^{2}} - -\bigl(-x + x^{2}\bigr) \frac{\partial^{3} y (x)}{\partial x^{3}} = 0

Maple encoding

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diff(y(x),x)+(-1+3*x)*diff(diff(y(x),x),x)+(-x+x^2)*diff(diff(diff(y(x),x),x),x) = 0

MathML encoding

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