Question

Which sequence is an A.P ?
(1) 1 ,3 9 ,27 ,
(2) -10, -6, -2, 2...
(3) ,​

Answer 1

Answer:

[2]

Step-by-step explanation:simply because the common difference in the second sequence is 4

Answer 2

Answer:

Option (2)

Step-by-step explanation:

-6-(-10)=-6+10=4

-2-(-6)=-2+6=4

2-(-2)=2+2=4

As the difference between two consecutive terms is constant (4),so the sequence is an AP.

Hope you got it.