Hermes1
Banned
- Joined
- Oct 4, 2010
- Messages
- 1,282
- Gender
- Male
- HSC
- 2011
yeh i no, it was in my trial lol. i got it, but a few of my friends struggled wiff it.(1/2)[xsqrt[a^2+x^2]+a^2*log[e][x+sqrt[x^2+a^2]]]+C
by integration by parts or trigonometric substitution, that question is easy lol