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Question Number 153486 by roxceefocus last updated on 07/Sep/21

Answered by liberty last updated on 08/Sep/21

$$det\left(F\right)=3\left(0\right)-4(0-4)+2(0+2)$$$$=16+4=20$$$$\left(\begin{array}{c}x\\ y\\ z\end{array}\right)=\frac{1}{20}adj\left(\begin{array}{c}342\\ 0-12\\ 21-2\end{array}\right)\left(\begin{array}{c}-1\\ -8\\ 6\end{array}\right)$$

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