6+13+22+33+.......... find nth term and sum to n terms of the sequence Share with your friends Share 2 Sakthimukesh answered this Tn=n^2+4n+1 -21 View Full Answer Pratham Pahad answered this n^2+3n+1 -18 Anshika answered this The pattern is n^2 + 4n + 1. -4 Anshika answered this The solution is -4 Kaif Alam answered this Correction :- Σ 4n = 4 Σn = 4{n(n+1)/2}4 1
