Question

The nth term of an AP is 7-4n find it's common difference

Answer 1

here is your answer !!!
hope it will help
cheers !!!

Answer 2

Answer:

-4

Step-by-step explanation:

a1= 7-4(1)=3

a2=7-4(2)=-1

a3=7-4(3)=-5

Ap= -3,-1,3

d=a2-a1

=-1-3

=-4