प्रयोग:Luke2

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://api.formulasearchengine.com/v1/":): \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}}}}