The sum of n terms is
- The sum of first n terms is
- The sum of n terms of ap is
- Sum to n terms of gp
- The sum of n terms of the series is
- If sum of n terms of an ap
- If the sum of n terms is 3n2 5n
- The sum of first n terms is 5n2 3n
- The sum of first n terms is 3n2 6n
- If the sum of n terms is
- The sum of the first n terms is 4n 2
- The sum of n terms of an ap is 3n2 5n
- The sum of n terms of an ap is 5n2 3n
- The sum of n terms of an ap is 2n2 5n
- The sum of n terms of an ap is n2 3n
- If the sum of first n terms is n2