Question:

What is the geometric mean of the sequence 1, 3, 9, 27, 81,... 3ⁿ?

IBSAT

Updated On: Jul 24, 2024

$3^{\frac{n(n+1)}{2}}$
$3^{\frac{n}{2}}$
$3^{n}$
$3^{2n}$
$3^{n(n+1)}$

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The Correct Option is B

Solution and Explanation

The correct option is (B):

3^{\frac{n}{2}}

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