The arithmetic mean of the series \( 1,3,3^{2}, \ldots \ldots 3^{\mathrm{n}-1} \) is
a. \( \frac... VIDEO
The arithmetic mean of the series \( 1,3,3^{2}, \ldots \ldots 3^{\mathrm{n}-1} \) ishttps://bit.ly/YTAI_PWAP https://www.pw.live
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