Gosia

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	<math>		<math>
-	\operatorname{erfc}(x) =	+	\iiint\limits_E \, dx\,dy\,dz
-	\frac{2}{\sqrt{\pi}} \int_x^{\infty} e^{-t^2}\,dt =	+
-	\frac{e^{-x^2}}{x\sqrt{\pi}}\sum_{n=0}^\infty (-1)^n \frac{(2n)!}{n!(2x)^{2n}}	+
	</math>		</math>

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Revision as of 01:14, 28 April 2011