Teaching HTET PRT - Level 1 Mock Test Series 2024 Quantitative Aptitude Progression Arithmetic Progression
If the nth term of an arithmetic progression is 7n - 2 then its sum to n terms is:
1
\(\frac{1}{2}\left(7 n^2+2 \right)\)
2
7n2 - 3n
3
\(\frac{1}{2}\left(7 n^2+3n \right)\)
4
7n2 - 2n