If 2n-1+2n+1=320 then n is equal to |
|||||||
(a) |
6 |
(b) |
8 |
(c) |
5 |
(d) |
7 |
If 2n-1+2n+1=320 then n is equal to |
|||||||
(a) |
6 |
(b) |
8 |
(c) |
5 |
(d) |
7 |