# Find the Determinant [[zero , minus one ,a],[three , minus a, one],[one , minus two , three]]

Set up the determinant by breaking it into smaller components.

Since the matrix is multiplied by , the determinant is .

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

Clarify the determinant.

First, multiply by .

Use the distributive law.

Multiply.

Multiply by .

Initially, multiply by .

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

Clarify each term.

Multiply by .

Multiply by .

Sum and .

Subtract from .

Can't Add different size matrices.

The combined expressions are .

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