Compute the determinant of the given matrix A by using row operations to reduce to echelon form.
Definitions:
Common Name
The non-scientific name by which a species or other concept is popularly known, often varying by language and culture.
Physical Sense
Relating to the perception or application of the laws of physics.
Unknown Substance
A material or compound whose identity, composition, or properties have not been determined.
Chemical Reaction
A process that involves rearrangement of the molecular or ionic structure of a substance, unlike a physical change that affects its physical properties only.
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