Precalculus Examples

$\ln (25)$

Step 1

Rewrite $\ln (25)$ as $\ln (5^{2})$ .

$\ln (5^{2})$

Step 2

Expand $\ln (5^{2})$ by moving $2$ outside the logarithm.

$2 \ln (5)$

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