InterviewSolution
Saved Bookmarks
| 1. |
Evaluate: `int(x^(3)/(x+1)^(2))dx` |
|
Answer» `intx^(3)/(x+1)^(2)dx=int(x^(3)+1-1)/(x+1)^(2)dx=int(x^(3)+1)/(x+1)^(2)dx-int(1/(x+1)^(2))dx` `=int(x-2+3/(x+1))dx-int1/(x+1)^(2)dx=x^(2)/2-2x+3ln(x+1)+1/(x+1)+C` |
|