Question

if the sum of n terms of an AP is 2nn+5n,find its 2nd term​

Answer 1

Answer:

2+5n

2+5(1)=7

2+5(2)=12

2+5(3)=16

SO THE AP IS 7, 12, 17

AND THE SECOND TERM IS 12

Answer 2

Answer:

S= 2n*2+ 5n

put n= 1, 2.1+5.1=7

put n=2, 2.4+5.2=18

now 18-7= 11

hence, second term is 11

please follow me please brother