-0.693147180559945
/
|
| __________
| / 2*x
| \/ 1 - E dx
|
/
0
Integral(sqrt(1 - E^(2*x)), (x, 0, -0.693147180559945))
-0.450932493140378
=
-0.450932493140378
-0.450932493140378
Use the examples entering the upper and lower limits of integration.