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Pertanyaan

Diketahui matriks A = [ 1 3 ​ 2 4 ​ ] , B = [ 5 7 ​ 6 8 ​ 9 0 ​ ] . Tentukan A × B !

Diketahui matriks .

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Y. Herlanda

Master Teacher

Mahasiswa/Alumni STKIP PGRI Jombang

Jawaban terverifikasi

Jawaban

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A cross times B equals table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open square brackets table row 19 22 9 row 43 50 27 end table close square brackets end cell end table.

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Pembahasan

Perkalian matriks dengan matriks Jadi, .

Perkalian matriks dengan matriks

table attributes columnalign right center left columnspacing 0px end attributes row cell A cross times B end cell equals cell open square brackets table row 1 2 row 3 4 end table close square brackets cross times open square brackets table row 5 6 9 row 7 8 0 end table close square brackets end cell row blank equals cell open square brackets table row cell open parentheses 1 cross times 5 close parentheses plus open parentheses 2 cross times 7 close parentheses end cell cell open parentheses 1 cross times 6 close parentheses plus open parentheses 2 cross times 8 close parentheses end cell cell open parentheses 1 cross times 9 close parentheses plus open parentheses 2 cross times 0 close parentheses end cell row cell open parentheses 3 cross times 5 close parentheses plus open parentheses 4 cross times 7 close parentheses end cell cell open parentheses 3 cross times 6 close parentheses plus open parentheses 4 cross times 8 close parentheses end cell cell open parentheses 3 cross times 9 close parentheses plus open parentheses 4 cross times 0 close parentheses end cell end table close square brackets end cell row blank equals cell open square brackets table row cell 5 plus 14 end cell cell 6 plus 16 end cell cell 9 plus 0 end cell row cell 15 plus 28 end cell cell 18 plus 32 end cell cell 27 plus 0 end cell end table close square brackets end cell row blank equals cell open square brackets table row 19 22 9 row 43 50 27 end table close square brackets end cell end table

Jadi, A cross times B equals table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open square brackets table row 19 22 9 row 43 50 27 end table close square brackets end cell end table.

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Pertanyaan serupa

Tentukan hasil kali dari matriks berikut. [ 3 2 ​ 1 − 4 ​ ] [ 0 − 3 ​ ]

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