Matematika

Pertanyaan

perkalian matriks

b= 3 0 -1
1 1 2

c= 1 0
0 2
1 1

Maka hitung lah bc dan cb

1 Jawaban

  • bc = [tex] \left[\begin{array}{ccc}2&-1\\3&4\end{array}\right] [/tex]
    [tex] \left[\begin{array}{ccc}(3x1)+(0x0)+(-1x1)&(3x0)+(0x2)+(-1x1)\\(1x1)+(1x0)+(2x1)&(1x0)+(1x2)+(2x1)\\\end{array}\right] [/tex]
    cd =[tex] \left[\begin{array}{ccc}3&0&-1\\2&2&4\\4&1&1\end{array}\right] [/tex]

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