Determinant Calculator


Instructions: Use the following calculator as a means of checking your answer. Perform the operation on your own and then confirm your answer by clicking on the Solution key. If your answer is different than the correct one, check your work for mathematical errors. If you still do not find your mistake, refer to the Defintions page and review the steps of solving a determinant operation.
The determinant of the matrix

expanded about row number: can be written as the sum of cofactors

+
+

= () ()+ () ()+ () ()=

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Minor/Cofactor calculator
Determinant Calculator
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