Question

/ In an AP an=2n+1 then find the commom difference *

a)0
b)1
c)2
d)3​

Answer 1

Answer:

an = 2n + 1

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

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

d = a2 - a1 = 5-3 = 2

Common difference = 2