Question

1/a,3-a/3a,3-2a/3a find the common difference

Answer 1

Answer:

-1/3

Step-by-step explanation:

d = a2 - a1

= 3-a/3a - 1/a

= 3-a/3a - 3/3a

3-a-3/3a

= -a/3a

= -1/3

Answer 2

Answer:

Step-by-step explanation:

-1/3