Algebra 2MediumLinear Systems & Matrices ShareLinear Systems & Matrices · Medium problemEvaluate det[1−2−4111142]\det\begin{bmatrix} 1 & -2 & -4 \\ 1 & 1 & 1 \\ 1 & 4 & 2 \end{bmatrix}det111−214−412.Check Show answer Walk through it step by step Practice more like this Review this concept