Question

int_{}^{} 1/(x^2+2) dx
how to solve it???

Answer 1

go tan-1 ish on it i believe

Answer 2

\[\int \frac{1}{x^2+a^2}dx=\frac{1}{a}tan^{-1}(\frac{x}{a})+C\]

Answer 3

got other ways to solve it??

Answer 4

nope

Answer 5

thanks a lot~=)

Answer 6

yw