If det a b c def ghi = -4 a-2g 4b - 8h c - 2i

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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If \(\text{det} \begin{bmatrix} a & b & c \\ d & e & f \\ g & h & i \end{bmatrix} = -4\),

then \(\text{det} \begin{bmatrix} a - 2g & 4b - 8h & c - 2i \\ d & 4e & f \\ g & 4h & i \end{bmatrix} = \boxed{\phantom{-}}\).
Transcribed Image Text:If \(\text{det} \begin{bmatrix} a & b & c \\ d & e & f \\ g & h & i \end{bmatrix} = -4\), then \(\text{det} \begin{bmatrix} a - 2g & 4b - 8h & c - 2i \\ d & 4e & f \\ g & 4h & i \end{bmatrix} = \boxed{\phantom{-}}\).
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