Precalculus Examples

$\frac{\log (1)}{\log (1)}$

Logarithm base $10$ of $1$ is $0$ .

$\frac{\log (1)}{0}$

The expression contains a division by $0$ . The expression is undefined.

Undefined

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