Area of a triangle by determinant (linear algebra)
75356
Show that the area of a triangle is given by this determinant
104575
Formula for determinant of block matrix with commuting blocks
5489
Can we use Sarrus' method for finding the determinant of matrix greater than $3\times3$?
33027
Maximum area of a square in a triangle
63118
Finding the closed form of the determinant of the Hilbert matrix
127085
Bound on the difference of two determinants
5183
Divisibility of determinant.
39537
Determinant of a block upper triangular matrix
101631
Determinant of a finite-dimensional matrix in terms of trace
71151
If $a_{ij}=\max(i,j)$, calculate the determinant of $A$
10886
Determinant of a block lower triangular matrix
20331
Determinant of a $2\times 2$ block matrix
64425
Block matrix determinant formula
40706
Computing determinant without expansion
19877
Calculating the determinant of this matrix
6062
How to find area of triangle from its medians
32487
Proving $\det \left( \begin{smallmatrix} A & -B \\ B & A \end{smallmatrix} \right) =|\det(A+iB)|^2$