Precalculus Examples

$\ln (27)$

Step 1

Rewrite $\ln (27)$ as $\ln (3^{3})$ .

$\ln (3^{3})$

Step 2

Expand $\ln (3^{3})$ by moving $3$ outside the logarithm.

$3 \ln (3)$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$