MathCastle
Algebra 2HardLinear Systems & Matrices

Linear Systems & Matrices · Hard problem

Evaluate det⁡[−11−5−3−42−2−41]\det\begin{bmatrix} -1 & 1 & -5 \\ -3 & -4 & 2 \\ -2 & -4 & 1 \end{bmatrix}.