Question

in an ap if a4= 8 and a= 2
then the common differences​

Answer 1

Answer:

Given : a4= 8

a= 2

To find : common difference ( d)

solution :

a4=a+( n-1) d

8= 2+(3-1)d

8=2+2d

8-2=2d

6=2d

d=3

Common difference= 3

Hope it helps you :)