Express the following in logarithmic form :3^ -2 =1 9 - Vidyadip

Question

Express the following in logarithmic form $ :3^{-2}=\frac{1}{9}$

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Answer

$ 3^{-2}=\frac{1}{9}$
$ \Rightarrow \log _3 \frac{1}{9}$
$=-2 \ldots .\left[a^b=c \Rightarrow \log _a c=b\right]$

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