# Algebra Examples

Step 1

The determinant of a matrix can be found using the formula .

Step 2

Step 2.1

Simplify each term.

Step 2.1.1

Multiply by .

Step 2.1.2

Multiply by .

Step 2.2

Subtract from .

Step 1

The determinant of a matrix can be found using the formula .

Step 2

Step 2.1

Simplify each term.

Step 2.1.1

Multiply by .

Step 2.1.2

Multiply by .

Step 2.2

Subtract from .

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