kolejna calka

[orbitka_]

\(\displaystyle{ \int\frac{e^{x}dx}{\sqrt{1-e^{2x}}}}\)

[luka52]

\(\displaystyle{ t = e^x\\
I = t \frac{dt}{\sqrt{1-t^2}} = \arcsin t + C = \arcsin e^x + C}\)