Question

In an ap if a=4,n= 7 and a n=4 then the value of d is

Answer 1

Answer:

an = a + (n-1)d

then

4 = 4+(7-1)d

4 = 4+6d

6d = 4-4 = 0

then

d = 0

hope it helps.

Answer 2

Answer:

d=0

Step-by-step explanation:

a n = a+(n-1)d

4=4+(7-1)d

4-4=6d

0=6d

0/6=d

d=0