SOLUTION: What is the 3rd term of the sequence? a1 = 4 and an = 3(an – 1) a3 = _________

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Question 920521: What is the 3rd term of the sequence?
a1 = 4 and an = 3(an – 1)
a3 = _________
Found 3 solutions by sofiyac, MathTherapy, richard1234:
Answer by sofiyac(983) About Me  (Show Source):
You can put this solution on YOUR website!
n is the number in the sequence so plug in 3 where you see n
a3=3(a*3-1) simplify
a3=9a-3

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

What is the 3rd term of the sequence?
a1 = 4 and an = 3(an – 1)
a3 = _________


highlight_green%28highlight_green%28a%5B3%5D+=+36%29%29%29

You can do the check!! 

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Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Do you mean or ?

With the former interpretation we have a_2 = 3(4-1) = 9 and a_3 = 3(9-1) = 24. With the latter, we have a_2 = 12, a_3 = 36.