Question

find frist term &common difference 5&9

Answer 1

Hey mate common difference is 9-5=4
and first term is 5
may this will help u ☺️

Answer 2

HI

the first term in 5 and 9 

is ofcourse 5

the common difference between 5 and 9 is

5 is a prime number . it only has 2 factors


whereas

9 is a composite  number . it has more than 2 factors

hope it helps u

:)