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But All The Numbers Are Different!

Algebra Level 2

$a = \log_{10} 2 , b = \log_{10} 3 .$

Find the value of $\log_5 12$ in terms of $a$ and $b$ .

\displaystyle \cfrac { 2a+b }{ 1-a }

\displaystyle \cfrac { a+2b }{ 1+a }

Insufficient information None of these choices

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by Soumo Mukherjee

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