If sn = 5n^2+3n, then find nth term
Answers
Answered by
2
Answer:
Hey mate here is your answer......
S1 = 5+3 = 8
S2 = 5(4)+6 = 26
T2 = S2-S1 = 26-8 = 18
T1 = 8
d = T2-T1 = 18-8 = 10
nth term = 8+(n-1)10 = 8+10n-10 = 10n-2
Hope it helps you....
Similar questions