Question

In given Picture,these list of numbers are AP or Not?

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Answer 1

Answer:

yes it is

Step-by-step explanation:

3,9,15

9-3=6

15-9=6

therefore yes

Answer 2

Answer:

let see it with a killer view

3,√81, 15

we know that √81=9

so

3,9,15

we can see that

3+6 and 9+6

so that there is an addition of 6 number

and it satisfies the condition to be an A. P

thus it's an AP