Linear Algebra Examples

A = (a, b, c, d)

$A = (a, b, c, d)$

Step 1

The cardinality of a set is the number of members in the set.

4

$4$

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

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