Question

In an Ap an=28,a=4,d=2 ,n=?​

Answer 1

Answer:

pls check the picture for step by step explaination. Hope it helps you!!

Answer 2

Answer:

Step-by-step explanation:

an=28

an= a+ (n-1) d

28=4+(n-1)2

8=4+(n-1)2

4=4+(n-1)

0=n-1

n=1

here's ur answer :)