Matematika

Pertanyaan

jika matriks A=(1 2) dan B=(3 1 )
(-3 2) (2 -2)
Transpose dari hasil perkalian matriks A dan B adalah??

1 Jawaban

  • [tex] A= \left[\begin{array}{cc}1&2\\-3&2\end{array}\right],B=\left[\begin{array}{cc}3&1\\2&-2\end{array}\right] \\ AB=\left[\begin{array}{cc}3+2&1-4\\-9+4&-3-4\end{array}\right] \\ AB=\left[\begin{array}{cc}5&-3\\-5&-7\end{array}\right] \\ (AB)^T=\left[\begin{array}{cc}5&-5\\-3&-7\end{array}\right][/tex]

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