Saved Bookmarks
| 1. |
The positive integral value of n such that 1⋅21+2⋅22+3⋅23+4⋅24+…+n⋅2n=2+2n+5, is |
|
Answer» The positive integral value of n such that 1⋅21+2⋅22+3⋅23+4⋅24+…+n⋅2n=2+2n+5, is |
|