Question

In an AP,if a4=8 and a=2 then its common difference is

Answer 1

Step-by-step explanation:

A4= a+3d

8=2+3d

3d=8-2

d=6/3

the common difference is 2

Answer 2

Answer:

A4 =a+3d

8 =2+3d

3d =8-2

d =6\3

the common difference is 2