Saved Bookmarks
| 1. |
Find the first term of an AP if d=-4 n=7 and an =4 |
|
Answer» Step-by-step EXPLANATION: We KNOW, a
=a+(n−1)d Putting the VALUE GIVEN, we get 4=a+(7−1)(−4) or a=4+24 ⟹a=28 |
|