InterviewSolution
Saved Bookmarks
| 1. |
The coefficient of x5 in the expansion of (1+x)21+(1+x)22+(1+x)23+⋯+(1+x)30 |
|
Answer» The coefficient of x5 in the expansion of (1+x)21+(1+x)22+(1+x)23+⋯+(1+x)30 |
|