Precalculus Examples

$\log_{5} (2^{\log_{2} (5)})$

Step 1

Exponentiation and log are inverse functions.

$\log_{5} (5)$

Step 2

Logarithm base $5$ of $5$ is $1$ .

$1$

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