Question

determine whether 8.4,16.1,23.8,31.5 sequence is arthmetic if so find common difference​

Answer 1

Step-by-step explanation:

let A1=8.4;A2=16.1;A3=23.8

according to question

A2-A1 = A3-A2

16.1-8.4 = 23.8-16.1

7.7 = 7.7

Therefore, 8.4,16.1,23.8 are in arthmetic