Question

Find the common difference in the arithmetic sequence 0.09,0.15,0.21

Answer 1

0.06

Explanation:

let 0.09 be a1

and 0.15 be a2

and 0.21 be a3

common difference = a2-a1 or a3-a2

a2-a1= 0.15-0.09 = 0.06

a3-a2= 0.06

hence the common difference in the ap in 0.06