arctgx^2x/(1+x^2)
1 / | | 2 | acot (x)*x | ---------- dx | 2 | 1 + x | / 0
Integral(acot(x)^2*x/(1 + x^2), (x, 0, 1))
/ / | | | 2 | 2 | acot (x)*x | x*acot (x) | ---------- dx = C + | ---------- dx | 2 | 2 | 1 + x | 1 + x | | / /
1 / | | 2 | x*acot (x) | ---------- dx | 2 | 1 + x | / 0
=
1 / | | 2 | x*acot (x) | ---------- dx | 2 | 1 + x | / 0
Use the examples entering the upper and lower limits of integration.