Mathematics, 07.07.2019 07:30, kaylijocombs
Find the system determinant of the given matrix. [2, 4] [3,-9]
Answers: 1
![\left[\begin{array}{ccc}2&4\\3&-9\end{array}\right]\\\\\det\left[\begin{array}{ccc}2&4\\3&-9\end{array}\right]=(2)(-9)-(4)(3)=-18-12=-30](/tpl/images/0060/9604/6b543.png)
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Find the system determinant of the given matrix. [2, 4] [3,-9]...
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