Algebra Examples

$A = (6, 8, 9)$ , $B = (1, 5, 9)$

$A$ is not a subset of $B$ because $A$ is not contained within $B$ .

A is not a subset of B

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