- #1
Atilla1982
- 18
- 0
I have:
int (1/(sqrt -x^2 -2x))dx
so I rewrite (-x^2-2x) --> 1-(x+1)^2 and swap those two.
then I say t=x+1, and substitute that in.
So now I have:
int (1/(sqrt 1-t^2)) dt
Here I get stuck, can anyone please help?
int (1/(sqrt -x^2 -2x))dx
so I rewrite (-x^2-2x) --> 1-(x+1)^2 and swap those two.
then I say t=x+1, and substitute that in.
So now I have:
int (1/(sqrt 1-t^2)) dt
Here I get stuck, can anyone please help?