[tex]\mathtt{help\,me}\\\mathtt{my\:universty\:homewok}[/tex]
[tex]\mathtt{erf(x)=\dfrac{2}{\sqrt{\pi}}\int\limits^x_0{e^{-t^2}} \, dt}}[/tex]
[tex]\mathtt{\int\limits {erf(x)} \, dx=? }[/tex]
[tex]\mathtt{Make\:proof!}[/tex]
^-^