Question

#dont answer if u dont know#
pls tell y v use the 4 nos as a-3d,a+d etc​

Answer 1

Answer:

We use 4no.s as a-2d,a-d,a,a+d

Because they are in AP

Step-by-step explanation:

Whose difference is d

Let d=2

2,4,6,8 can also be written as 6-2*2,6-2,6,8+2=a-2d,a-d,a,a+d

Solution of question in a few minutes

Your nos are 2,5,8,11 and common difference is 3