Question
Show that $\log (1+2+3)=\log 1+\log 2+\log 3$.

Answer

$\left[\right.$ Hint $\left.: \log (1+2+3)=\log 6=\log \left(\begin{array}{lll}1 & 2 & 3\end{array}\right)=(\log 1+\log 2+\log 3)\right]$

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