# Non-order DE

#### idontknow

$$\displaystyle Y'' e^{Y''}=x$$

#### romsek

Math Team
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?

2 people