Linear Algebra Examples

$[\begin{array}{c} 3 & 2 & 1 \\ 4 & 4 & 4 \\ 1 & 2 & 3 \end{array}]$

Step 1

Find the trace of a square matrix by adding the elements on the main diagonal.

$3 + 4 + 3$

Step 2

Simplify.

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Step 2.1

Add $3$ and $4$ .

$7 + 3$

Step 2.2

Add $7$ and $3$ .

$10$

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