Question

Q. If the sum of first m terms of an AP is 2m2 + 3m, then what is its second term?

Answer 1

We know that ,     Sn - S(n-1)=an

So, 

a2=S2-S1

   =2(2)2+3(2) - [2(1)2+3(1)]

   =8+6-2-3

   =14-5

   =9

Answer 2

There you go
You simply have to use a formula