Precalculus Examples

$\log_{r} (12) + \log_{r} (45)$

Step 1

Use the product property of logarithms, $\log_{b} (x) + \log_{b} (y) = \log_{b} (x y)$ .

$\log_{r} (12 \cdot 45)$

Step 2

Multiply $12$ by $45$ .

$\log_{r} (540)$