Question

in an ap, if d = -4, n = 7, an = 4, then find the value of 'a'

Answer 1

hey mate here is your ans.

⭐An = a+(n-1)d

4 = a +( 7-1)-4

a = 28 ans.

Answer 2

Answer:

Step-by-step explanation:

d=-4,n=7 and an=4

Now, an=a+(n-1)d

Hence, 4=a+(7-1)×-4

4=a+ 6×-4

4=a -24

Hence, a=4+24=28

…hope it will help✌...