Help:Math
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|Block Math | |Block Math | ||
|<pre><math></math></pre> | |<pre><math></math></pre> | ||
- | |<math> \operatorname{erfc}(x) = | + | |<math> \operatorname{erfc}(x) = \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> |
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|} | |} |