0 like 0 dislike
51 views
Prove that the sum of the first $n$ terms of an arithmetic sequence is given by the formula: $\mathrm{S}_n=\frac{n}{2}[2 a+(n-1) d]$
| 51 views

0 like 0 dislike
0 like 0 dislike
1 like 0 dislike
2 like 0 dislike
0 like 0 dislike
0 like 1 dislike
3 like 0 dislike
3 like 0 dislike
0 like 0 dislike
5 like 0 dislike
0 like 0 dislike
1 like 0 dislike
1 like 0 dislike
0 like 0 dislike