The nth term of the sequence 3 9 27 81 is - JAMB Mathematics 2016 Question
The nth term of the sequence 3, 9, 27, 81.....is
A
3 x 3n-2
B
3 x 3n-1
C
3 x 3n+2
D
3 x 3n+1
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Correct Option: B
3,9,27,81,.....
r = (\frac{9}{8}) = 3
Tn = arn-1
Tn = 3(3)n-1 = (\frac{3(3^2)}{3})
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