Question

If nth term of an AP is 5-3n,what is the common difference?

Answer 1

an=5-3n
let n= 1
5-3(1)= 5-3=2 = a1

let n=2
5-3(2)=5-6= -1 =a2

d= a2-a1 = -1-2= - 3

hence d= - 3

hope it helps you.
please mark it as brainliest.

Answer 2

hence common difference
is -3