Question

Evaluate (copied):
\[ \int\cot^{-1} (x^2+x+1)dx \]

Answer 1

x cot^-1 (1 - x + x^2) - (1/2) ln (1 + x^2) + (1/2) ln (x^2 - 2x + 2) + tan^-1 (x - 1) + c

Answer 2

yes that's correct ... method?