| Front | \[\int x^2 e^{-ax^2}\ {dx} \] |
|---|---|
| Back | \[ \dfrac{1}{4}\sqrt{\dfrac{\pi}{a^3}}\text{erf}(x\sqrt{a}) -\dfrac{x}{2a}e^{-ax^2},\\\text{ where erf}(x)=\frac{2}{\sqrt{\pi}}\int_0^x e^{-t^2}dt\] |
Tags: exponentials
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