Dont know how to simply solve this determinant.
101040
Prove the equality: $\det\left[\begin{smallmatrix} -2a &a+b &a+c \\ b+a&-2b &b+c \\ c+a&c+b &-2c \end{smallmatrix}\right] = 4(a+b)(b+c)(c+a)$
139534
Derivative of determinant, which is correct?
123808
How would I solve the following problem involving elementary matrices?
146438
Determinant of a special skew-symmetric matrix
24873
Determinant of elementary permutation matrix
23030
Calculating determinant with different numbers on diagonal and x everywhere else
6005
Find the determinant of a Vandermonde-like matrix
61580
Calculating the determinant gives $(a^2+b^2+c^2+d^2)^2$?
110200
Determinant of a Special Symmetric Matrix
47787
How to compute the determinant of this Toeplitz matrix?
35015
Why must the determinant of a matrix with with integer entries be an integer?
93903
What is the determinant of cofactor matrix of a matrix?
7376
Find $\det(A^{2}+A^{T})$ when eigenvalues are $1,2,3$
71604
Why is the determinant of the 0x0 matrix equal 1?
53917
Determinant of matrix exponential?
81770
Determinant of an $n\times n$ complex matrix as an $2n\times 2n$ real determinant
151526
Determinant of a matrix with different cases for its entries