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4vir4ik [10]
3 years ago
7

What do I do? what's Ax??

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
5 0

A=\left[\begin{array}{ccc}5&-4\\3&6\end{array}\right] \\\\A_x=\left[\begin{array}{ccc}12&-4\\66&6\end{array}\right]

|A_x|=\left|\begin{array}{ccc}12&-4\\66&6\end{array}\right|=(12)(6)-(66)(-4)=72+264=336

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