Question

What is the common difference of an ap 1²,5²,7²..........

Answer 1

common difference is 25-1=24

so the answer will be 24

Answer 2

Given :

• A.P = 1² , 5² , 7² .....

To Find :

• Common difference ( d ) of the given A.P

Solution :

A.P = 1 , 25 , 49

★ d = a₂ - a₁

→ d = 25 - 1

→ d = 24

24 is the common difference