The sum of n terms of an ap is 2n2 5n
- The sum of n terms of an ap is 2n2 5n then the common difference of ap is
- The sum of first n terms of an ap is 2n2 5n
- Arithmetic progression sum of n terms
- Finding the sum of an infinite arithmetic series
- Finding the sum of an arithmetic series
- The sum of finite geometric sequence
- Find the sum of infinite series