What does this mean?

$\displaystyle \frac{d}{dt} ln(5+12t)$

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- Mar 13th 2010, 07:02 PMZanderistI had missed another Math Class...
What does this mean?

$\displaystyle \frac{d}{dt} ln(5+12t)$ - Mar 13th 2010, 07:05 PMTKHunny
The first derivative of ln(5+12t) with respet to t.

$\displaystyle

\frac{12}{5+12t}

$

By the chaing rule.