https://www.khanacademy.org/math/algebra-home/alg-matrices/alg-determinant-of-2x2-matrix/v/finding-the-determinant-of-a-2x2-matrix 2021-04-07T12:53:54Z Determinant of a 2x2 matrix Sal shows how to find the determinant of a 2x2 matrix. Sal Khan video https://cdn.kastatic.org/googleusercontent/O8W3VfcQ6KonV7-HyYUvjKbqMoNG2gOugyWr-0tXltgFWTQnw6nr07NCcTSKBNh67kI90nStQ1QfaEAEa_wxIw0 Determinant of a 2x2 matrix Sal shows how to find the determinant of a 2x2 matrix. https://cdn.kastatic.org/ka-youtube-converted/OU9sWHk_dlw.mp4/OU9sWHk_dlw.mp4 70 Identifying the determinant of a matrix https://www.khanacademy.org/math/algebra-home/alg-matrices/alg-determinants-and-inverses-of-large-matrices/v/finding-the-determinant-of-a-3x3-matrix-method-2 2021-02-05T04:23:34Z Determinant of a 3x3 matrix: standard method (1 of 2) Sal shows the standard method for finding the determinant of a 3x3 matrix. Sal Khan video https://cdn.kastatic.org/googleusercontent/f7Cpq6Z6sXeB8ZbboFIw6p-r7oByEGtj1Pdt8nPxqcIMadMRVGdJ8aIVB_du1ZgZBuzgmFaYO8UPxkVR7w6oLasDTA Determinant of a 3x3 matrix: standard method (1 of 2) Sal shows the standard method for finding the determinant of a 3x3 matrix. https://cdn.kastatic.org/ka-youtube-converted/u00I3MCrspU.mp4/u00I3MCrspU.mp4 237 Identifying the determinant of a matrix https://www.khanacademy.org/math/algebra-home/alg-matrices/alg-determinants-and-inverses-of-large-matrices/v/finding-the-determinant-of-a-3x3-matrix-method-1 2021-02-05T04:23:35Z Determinant of a 3x3 matrix: shortcut method (2 of 2) Sal shows a "shortcut" method for finding the determinant of a 3x3 matrix. Sal Khan video https://cdn.kastatic.org/googleusercontent/05tUhsWQpKHJe4ZEfaOhQCPkAUFxhm91vQZnYjJIYzV8XdBXSgg4GqxQ1612KVt-w3rnLNdGnEoHHswrnRz0-7Y Determinant of a 3x3 matrix: shortcut method (2 of 2) Sal shows a "shortcut" method for finding the determinant of a 3x3 matrix. https://cdn.kastatic.org/ka-youtube-converted/v4MenooI1J0.mp4/v4MenooI1J0.mp4 159 Identifying the determinant of a matrix https://www.khanacademy.org/math/algebra-home/alg-matrices/alg-determinant-of-2x2-matrix/e/matrix_determinant 2025-05-05T08:14:25.350149109Z Determinant of a 2x2 matrix Find the determinant of a given 2x2 matrix. Stephanie Chang exercise https://www.khanacademy.org/math/algebra-home/alg-matrices/alg-determinants-and-inverses-of-large-matrices/e/matrix_determinant_3x3 2025-05-05T08:14:25.350149109Z Determinant of a 3x3 matrix Find the determinant of a given 3x3 matrix. Stephanie Chang exercise