Linear Algebra 14TBD: Calculating the 3x3 Determinant the American Way

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MathTheBeautiful
Grinfeld
Null Space
Euclidean Vector
Gaussian Elimination
Column Space

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We also learn the American approach in Brazil. Great video!

arquitetobim

I don't see how the Russian approach requires more "thinking" than the American one. They both require the student to memorize what appear to be arbitrary patterns. This issue here is not they amount of thinking required, but rather that it is very difficult to for the novice student to see how these patterns relate to the resulting determinant. They both seem to produce the result "mathemagically".

gentlemandude

The so-called American method demonstrated here is actually called the _Rule of Sarrus_ and it was discovered by an obscure 19th century French mathematician named Pierre Frédéric Sarrus.

RuthvenMurgatroyd

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