If the sum of first n terms of ap is n2

- If the sum of first n terms of an ap is 4n n2 what is the first term
- If the sum of first n terms of an ap is n2 find the 5th term
- If the sum of first n terms of an ap is n2 find the 10th term
- If the sum of first n terms of an ap is 5n n2
- Arithmetic progression sum of n terms
- How to find the sum of arithmetic progression
- Sum of first n natural numbers
- Finding the sum of an infinite arithmetic series