EarlM521904 EarlM521904

29-10-2022
Mathematics

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given the following matrices, what is the correct product matrix CD?

given the following matrices what is the correct product matrix CD class=

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VeniseH412919 VeniseH412919

29-10-2022

Solution

CD

[tex]\begin{gathered} [(5\times2)+(9\times4)+(7\times1)\text{ }(5\times-4)+(9\times0)+(7\times7)] \\ \\ =[10+36+7\text{ }-20+0+49] \\ \\ =[53\text{ }29] \end{gathered}[/tex]

The correct option is A.

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