Question

Find, in terms of n, a formula for nth term of sequence 3,6,9

Answer 1

Answer:

Here, a=3

d = a2- a1

6-3 = (3=d)

an = a+ (n-1) d

an = 3+ (n-1) 3

an = 3+3n-3

an = 3n Ans.

Answer 2

Answer:

this is the correct answer

Step-by-step explanation:

an=3n