Mathematics, 03.03.2020 02:23 angelita24
Let LaTeX: A=\begin{bmatrix} a & b & c \\ d & e& f\\ g & h &i\end{bmatrix}A = [ a b c d e f g h i ], and assume LaTeX: \det(A)=det ( A ) =9. What is LaTeX: \det\begin{bmatrix} a-5d & b-5e & c-5f\\ 2g & 2h & 2i\\-d+4g&-e+4h&-f+4i\end{b matrix}det [ a − 5 d b − 5 e c − 5 f 2 g 2 h 2 i − d + 4 g − e + 4 h − f + 4 i ]?
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