Question

If sum of an ap is 3m^2+4m find the p terms

Answer 1

Hlw mate !!


Sn  - S (n-1) = an
So, a2 = S2 - S1
a2 = {2(2)^2 + 3 x2 } - { 2( 1)^2 + 3 x 1}
a2 = ( 8 + 6) - ( 2 + 3)
a2 = 14 - 5
a2 = 9

Therefore the 2nd term is 9


Hope it helpful