Sigma n
Trending Questions
Q. Sum to infinity of the series 1+45+752+1053+.....is
Q.
Find the 20th term of the series 3 + 12(3 + 5) + 13(3 + 5 + 7) + 14(3 + 5 + 7 + 9) + .........
20
21
22
23
Q.
Find the sum of the series 12+132+123+134+125+136+…∞
Q. If n∑i−1i=n(n+1)2, then n∑i−1(3i−2)=
- n(3n−1)2
- n(3n + 2)
- n(3n+1)4
- n(3n+1)2
Q.
nth term of the series 2 + 4 + 7 + 11 + ...... will be