The nth term of the sequence 3, 9, 27, 81.... is

Question 1 Report

The nth term of the sequence 3, 9, 27, 81.... is

3 x 3n-2

3 x 3n-1

3 x 3n+2

3 x 3n+1

Answer Details

3,9,27,81,.....
r = $\frac{9}{8}$ = 3
Tn = arn-1
Tn = 3(3)n-1 = $\frac{3 (3^{2})}{3}$

Read lesson note on Sequence And Series (WAEC)

Sequence And Series

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