Solved by pluggable solver: Finding the Determinant of a 3x3 Matrix |
If you have the general 3x3 matrix: the determinant is: Which further breaks down to: Note: If you need help finding the determinant of 2x2 matrices (which is required to find the determinant of 3x3 matrices), check out this solver -------------------------------------------------------------- From the matrix ====================================================================== Answer: So |
| 1 2 3 4| | 5 6 7 8| | 9 10 11 12| |13 14 15...(answered by Edwin McCravy)