Question

does 1, 1, 1, 2, 2, 2, 3, 3, 3 forms an A.P​

Answer 1

Answer:

yes it forms ap

Everything form Ap

Answer 2

Answer:

No, it does not form an Ap because

To form an Ap common differecen has to be same

d = a2- a1

1-1

0

= a3-a2

1-1

0

= a4-a3

2-1

0 and so on

the common differences in all the term of Ap is not same here so it does not form an AP