Jawaban:
[tex] \left[\begin{array} {cc}20&29\\ 32&46 \end{array} \right][/tex]
Penjelasan dengan langkah-langkah:
[tex] \begin{aligned} \rm A \times B & = \left[\begin{array} {cc}2&5 \\ 4&6 \end{array} \right] \left[\begin{array} {cc}5&7 \\ 2&3 \end{array} \right] \\ \rm A \times B& = \left[\begin{array} {cc}2(5) + 5(2)&2(7) + 5(3) \\ 4(5) + 6(2)&4(7) + 6(3) \end{array} \right]\\ \rm A \times B& =\left[\begin{array} {cc}10 + 10&14+ 15\\ 20+ 12&28 + 18 \end{array} \right] \\ \rm A \times B& =\left[\begin{array} {cc}20&29\\ 32&46 \end{array} \right] \end{aligned}[/tex]
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Jawaban:
[tex] \left[\begin{array} {cc}20&29\\ 32&46 \end{array} \right][/tex]
Penjelasan dengan langkah-langkah:
[tex] \begin{aligned} \rm A \times B & = \left[\begin{array} {cc}2&5 \\ 4&6 \end{array} \right] \left[\begin{array} {cc}5&7 \\ 2&3 \end{array} \right] \\ \rm A \times B& = \left[\begin{array} {cc}2(5) + 5(2)&2(7) + 5(3) \\ 4(5) + 6(2)&4(7) + 6(3) \end{array} \right]\\ \rm A \times B& =\left[\begin{array} {cc}10 + 10&14+ 15\\ 20+ 12&28 + 18 \end{array} \right] \\ \rm A \times B& =\left[\begin{array} {cc}20&29\\ 32&46 \end{array} \right] \end{aligned}[/tex]