Question
Find $x$ in the following when$: \log _x 49=2$
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Answer
$\log _x 49 = 2$
$\Rightarrow x^2 = 49$
$\Rightarrow x^2 = 7^2$
$\therefore x = 7.$
$\Rightarrow x^2 = 49$
$\Rightarrow x^2 = 7^2$
$\therefore x = 7.$
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