Question

In an AP if an =2n+1 then the common difference of the given progression is?

Answer 1

Answer:

an = 2n+1. , d=?

if n= 1

an = 2n+1

A1= 2(1) +1

= 2+1

= 3

lly, if n= 2

A2= 2(2) +1

= 4+1

= 5

WKT

d= a2-a1

= 5-3

= 2

therefore, difference = 2