Question

if d= -4,n=7 and a^n=4,then find the value of a

Answer 1

Here is the answer you are looking for..
Hope this helps

Answer 2

Hy user



Here's ur answer


d=-4
n=7
a^n=4
a=?



a^n=a+(n-1)d



4=a+(7-1)×-4

4=a+6×-4

4=a-24

a=28




Hope it helps