Precalculus Examples

$\log_{a} (81)$

Step 1

Rewrite $\log_{a} (81)$ as $\log_{a} (3^{4})$ .

$\log_{a} (3^{4})$

Step 2

Expand $\log_{a} (3^{4})$ by moving $4$ outside the logarithm.

$4 \log_{a} (3)$

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