Rule of Sarrus - Wikipedia
en.wikipedia.org › wiki › Rule_of_SarrusRule of Sarrus: The determinant of the three columns on the left is the sum of the products along the down-right diagonals minus the sum of the products along the up-right diagonals. In linear algebra, the Rule of Sarrus is a mnemonic device for computing the determinant of a 3 × 3 {\displaystyle 3\times 3} matrix named after the French ...
determinants using Sarrus Rule Example [[1,2,3],[4,5,6],[7,8,9]]
https://atozmath.com › MatrixEvdeterminants using Sarrus Rule Example [[1,2,3],[4,5,6],[7,8,9]] online.