Feb 12, 2021
Patreon | Ko-fi
seen from China
seen from China

seen from United States
seen from Yemen
seen from Ukraine
seen from Malaysia
seen from Malaysia
seen from United States
seen from United States
seen from Canada
seen from Italy

seen from United States
seen from Russia

seen from Germany
seen from United States

seen from Singapore
seen from United States
seen from Singapore

seen from Germany
seen from Germany
Patreon | Ko-fi
Patreon | Ko-fi
Patreon | Ko-fi
Determinant of A 2 x 2 Matrix
-- to find the determinant of a 2 x 2 matrix 1. cross multiply 2. subtract 3. solve
Example:
| 5 -3 | | 0 2 |
5(2) - 0(-3) 10 - 0 10
Patreon | Ko-fi