Question

The nth term of an ap is (7-4n). Find the common difference. :)

Answer 1

Answer:

Given , an =7-4n

a1 = 7-4*1=3

a2 =7-4*2= -1

a3 =7-4*3 =-5

ap: 3,-1,-5.............

d =a2-a1

-1-3 =-4

Answer 2

Answer:

sorry i don't now the answer