![S_n=\frac{n}{2}[2a+(n-1)d]](/tpl/images/0667/7189/b603c.png)
![S_{51}=\frac{51}{2}\times [2\times (-282)+(51-1)16]](/tpl/images/0667/7189/58d35.png)
![S_{51}=\frac{51}{2}\times [-564+800]](/tpl/images/0667/7189/6cb46.png)
![S_{51}=\frac{51}{2}\times [236]](/tpl/images/0667/7189/b4486.png)
What is the sum of the first 51 terms of the sequence?
-282, -266, -250, -234, ......
Mathematics, 27.05.2020 22:08 ronniethefun
What is the sum of the first 51 terms of the sequence?
-282, -266, -250, -234, ...
Answers: 2
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