Question

Find the common difference and write the next four terms of each of the following ap -1,-2,-5,-8

Answer 1

I think this ap is wrong

Answer 2

Answer:

it is not an A.p because, here common difference is not same

Step-by-step explanation:

D=a2-a1

D=-2-(-1)=-1

D=a3-a2

=-5-(-2)=-3

so it is not an ap