1 / | | atan(x) | ------- dx | 2 | 1 + x | / 0
Integral(atan(x)/(1 + x^2), (x, 0, 1))
Let .
Then let and substitute :
The integral of is when :
Now substitute back in:
Add the constant of integration:
The answer is:
/ | 2 | atan(x) atan (x) | ------- dx = C + -------- | 2 2 | 1 + x | /
Use the examples entering the upper and lower limits of integration.