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