Question

find the comman difference of following sequence state whether it is an is an ap an not 7,11 ,15,19,23.....​

Answer 1

Answer:

common difference =4 and it is an ap

Explanation:

a1=7

a2=11

a3=15

common difference =a2-a1

=11-7 =4

common difference _ = a3-a2

=15-11 = 4

when common difference is same then it is an ap

I hope this will help u