Precalculus Examples

$\ln ({(x y)}^{2})$

Step 1

Expand $\ln ({(x y)}^{2})$ by moving $2$ outside the logarithm.

$2 \ln (x y)$

Step 2

Rewrite $\ln (x y)$ as $\ln (x) + \ln (y)$ .

$2 (\ln (x) + \ln (y))$

Step 3

Apply the distributive property.

$2 \ln (x) + 2 \ln (y)$