Question

if nth term of an AP is given by an =2n+3 then common difference of an AP is​

Answer 1

Answer:

given

an=2n+3

an=a+(n-1)d

a+(n-1)d=2n+3

d=2

by comparing

Answer 2

first term of AP is 2*1+3=5

second term of AP is 2*2+3=7

common difference is 7-5=2