Question

the 8th term of AP is 17 and 19th term is 39 find the common difference​

Answer 1

Step-by-step explanation:

by elimination , solve the equation

Answer 2

Step-by-step explanation:

a8=a+7d

a19=a+18

using elimination method:-

we get;

a+7d=17

a+18d=39

- - -

-11d=-22

d=2

hope this help uh...