Saved Bookmarks
| 1. |
intdx/(x(x^4+1)) |
|
Answer» SOLUTION :`I=intdx/(X(x^4+1))=intdx/(x^5(1+1/x^4))` LET `1+1/x^4=t` `-4/x^5dx=dt` `THEREFORE I=-1/4intdt/t` =`-1/4Inabst+c` =`-1/4Inabs(1+1/x^4)+c` |
|