Integrate (3+x)/(x^2 -9)^0.5
For now, i would just like to know if i am supposed to use the by parts forumla?
Hello, Erghhh!
I'd use a trig substitution . . .
Let: .
and: .
Substitute: .
. .
Back-substitute: .
. . Then: .
We have: .
. . . . . . .
. . . . . . . .**
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
** .What happened to the denominator, you ask?
. . . . Watch this!
. .
. .
. .
Textbooks love to pull this on us . . . You've been warned!