Asked by Daryl

A1=9 An=105 Sn=741

3 years ago

Answered by oobleck

well, recall that
Sn = n/2 (2a + (n-1)d)
so plug and chug

3 years ago

There are no AI answers yet. The ability to request AI answers is coming soon!

Submit Your Answer

We prioritize human answers over AI answers.

If you are human, and you can answer this question, please submit your answer.