Question

Choose and write the correct alternative.
The first term of an AP is 3 and the common difference is also 3.
Which of the following is that A P.
(1) 3, 6, 9, 12.
(D)3, 9. 27. 81...​

Answer 1

Answer:

3,6,9,12

Step-by-step explanation:

a=3

d=3

an=a+(n-1)d

Answer 2

Given,

a = 3

d = 3

This condition is satisfied in (1)

where , a = 3

d = a2 - a1

= 3