Question

find the common difference of ap. 1,7,13,19​

Answer 1

Answer:

Common difference = nth term - (n-1)th term

Step-by-step explanation:

First term = 1

second term = 7

third term = 13

Common difference = second term - first term = 7-1=6

Answer 2

answer

common difference 1,7,13,1

9