Question

Find the common difference if an = 2n+1​

Answer 1

Answer:

Difference is 2

Step-by-step explanation:

an = 2n + 1

put n = 1

a1 = 2(1) + 1 = 2 + 1 = 3

a2 = 2(2) + 1 = 4 + 1 = 5

difference = a2 - a1

                 =  5 - 3

                 = 2