![Find the First Three Terms of the Sequences whose nth term is given then clasify the sequence - YouTube Find the First Three Terms of the Sequences whose nth term is given then clasify the sequence - YouTube](https://i.ytimg.com/vi/a8t8O44kYPs/maxresdefault.jpg?sqp=-oaymwEmCIAKENAF8quKqQMa8AEB-AH-CYAC0AWKAgwIABABGGIgYihiMA8=&rs=AOn4CLBlw80Rn69EPAFccM4sF61ArNNCdw)
Find the First Three Terms of the Sequences whose nth term is given then clasify the sequence - YouTube
The second term of an arithmetic sequence is 7. The sum of the first 4 terms of the arithmetics sequence is 12. What is the first term a1, and the common difference,
![Question Video: Finding the Number of Terms That Make the Sum of a Given Arithmetic Sequence Negative | Nagwa Question Video: Finding the Number of Terms That Make the Sum of a Given Arithmetic Sequence Negative | Nagwa](https://media.nagwa.com/964167502805/en/thumbnail_l.jpeg)
Question Video: Finding the Number of Terms That Make the Sum of a Given Arithmetic Sequence Negative | Nagwa
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