x 1
E - -----------
________
/ 2
\/ 1 - x $$e^{x} - \frac{1}{\sqrt{- x^{2} + 1}}$$
x x
- ----------- + e
3/2
/ 2\
\1 - x / $$- \frac{x}{\left(- x^{2} + 1\right)^{\frac{3}{2}}} + e^{x}$$
2
1 3*x x
- ----------- - ----------- + e
3/2 5/2
/ 2\ / 2\
\1 - x / \1 - x / $$- \frac{3 x^{2}}{\left(- x^{2} + 1\right)^{\frac{5}{2}}} + e^{x} - \frac{1}{\left(- x^{2} + 1\right)^{\frac{3}{2}}}$$