Precalculus Examples

Find the Determinant of the Resulting Matrix
Step 1
Add the corresponding elements.
Step 2
Simplify each element.
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Add and .
Add and .
Add and .
Add and .
Step 3
The determinant of a matrix can be found using the formula .
Step 4
Simplify the determinant.
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Simplify each term.
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Multiply by .
Multiply by .
Subtract from .
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