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Question Number 67942 by mhmd last updated on 02/Sep/19

$$\int e^{y^2/2}dy$$

Commented by mr W last updated on 09/Feb/21

$$\int e^{\frac{y^2}{2}}dy=\sqrt{\frac{\pi }{2}}erfi\left(\frac{y}{\sqrt{2}}\right)+C$$$$\int e^{-\frac{y^2}{2}}dy=\sqrt{\frac{\pi }{2}}erf\left(\frac{y}{\sqrt{2}}\right)+C$$$$erf\left(\right),erfi\left(\right)=errorfunctions$$

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