1. Find the sum of the first 20 terms of an arithmetic sequence 7, 12, 17…a20
2. Find the sum of 6, 12, 18...312
3. Find the sum of the first 18 terms of an arithmetic sequence 9, 18, 27...a18
4. Find the sum of all even numbers from 2 to 98
if it's possible to show me the process too then I'd rly appreciate it
Share
Answer:
i cant answer that but ill pray for you