Question

What is the common difference of an ap in which a23-a18=45?

Answer 1

a23-a18=45 so it can be written as
a+22d-(a+17d)=45
a+22d -a -17d= 45
22d-17d=45
5d=45
d=45/5
d=9

Answer 2

Answer:

please mark as brainlist answer and thanked also