Question

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

Answer 1

2m square +3m

2nd term is

=2*2*2+3*2

=8+6

=14

Answer 2

Answer:

it's simple the first term is 3m

common difference is 3-2=1

formula is a,a+d,a+2d...

=3,3+1,3+2*1..=3,4,5......