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March 21st, 2018, 08:21 AM   #1
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Non-order DE

$\displaystyle Y'' e^{Y''}=x$
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March 21st, 2018, 08:41 AM   #2
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crazily enough it has a closed form answer

$y(x)=c_2 x+c_1+\dfrac{x^2 \left(4 W(x)^3-6 W(x)^2+6 W(x)+1\right)}{8 W(x)^2}$

where $W(x)$ is Lambert's $W$ function

Where do you come up with these questions?
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