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Property 3

log5-1 can be...

Question

$log 5 - 1$ can be written as a single logarithm with base as $10$ as____

log \frac{1}{2}

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log 1

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log 5

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log 2

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Solution

The correct option is A $log \frac{1}{2}$
${log}_{10} 5 - 1$
$= {log}_{10} 5 - {log}_{10} 10$
$= {log}_{10} \frac{5}{10}$
$= {log}_{10} \frac{1}{2}$
Hence, A is the correct option.

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