The mean proportional between 1 2 and 128 is - Vidyadip

MCQ

The mean proportional between $\frac{1}{2}$ and 128 is

A
64
B
32
C
16
D
8

✓

Answer

The mean proportional between $\frac{1}{2}$ and 128 is
$
\begin{aligned}
& =\sqrt{\frac{1}{2} \times 128} \\
& =\sqrt{64} \\
& =8
\end{aligned}
$

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