Saved Bookmarks
| 1. |
Determine m so that 2m +1, m +1, -m + 3 are inА.Р. :(a) 1(c) 3O (b) 2o (d) -2 |
|
Answer» If these no. are A.P , then their common difference should be same => m+1 -(2m+1) = -m+3 -m-1 => -m = -2m +2=> m = 2 option b |
|