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Diketahui A = ⎝ ⎛ ​ − 4 − 1 0 ​ − 12 10 9 ​ 6 − 3 8 ​ ⎠ ⎞ ​ , B = ⎝ ⎛ ​ 16 2 − 5 ​ 3 4 5 ​ 7 − 9 8 ​ ⎠ ⎞ ​ , dan C = ⎝ ⎛ ​ 0 11 3 ​ 0 4 − 6 ​ − 2 0 1 ​ ⎠ ⎞ ​ Tentukan hasil dari matriks berikut. b. ( A + 2 B ) + ( A − 5 C )

Diketahui , dan 

Tentukan hasil dari matriks berikut.

b. 

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H. Eka

Master Teacher

Mahasiswa/Alumni Universitas Pendidikan Indonesia

Jawaban terverifikasi

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hasil dari

hasil dari table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open parentheses A plus 2 B close parentheses end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank plus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open parentheses A minus 5 C close parentheses end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open parentheses table row 24 cell negative 18 end cell 36 row cell negative 53 end cell 8 cell negative 24 end cell row cell negative 25 end cell 58 27 end table close parentheses end cell end table 

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Pembahasan

Hasil dari operasi matriks tersebut adalah sebagai berikut. Dengan demikian, hasil dari

Hasil dari operasi matriks tersebut adalah sebagai berikut.

table attributes columnalign right center left columnspacing 0px end attributes row cell A plus 2 B end cell equals cell open parentheses table row cell negative 4 end cell cell negative 12 end cell 6 row cell negative 1 end cell 10 cell negative 3 end cell row 0 9 8 end table close parentheses plus 2 open parentheses table row 16 3 7 row 2 4 cell negative 9 end cell row cell negative 5 end cell 5 8 end table close parentheses end cell row blank equals cell open parentheses table row cell negative 4 end cell cell negative 12 end cell 6 row cell negative 1 end cell 10 cell negative 3 end cell row 0 9 8 end table close parentheses plus open parentheses table row 32 6 14 row 4 8 cell negative 18 end cell row cell negative 10 end cell 10 16 end table close parentheses end cell row blank equals cell open parentheses table row 28 cell negative 6 end cell 20 row 3 18 cell negative 21 end cell row cell negative 10 end cell 19 24 end table close parentheses end cell end table

table attributes columnalign right center left columnspacing 0px end attributes row cell A minus 5 C end cell equals cell open parentheses table row cell negative 4 end cell cell negative 12 end cell 6 row cell negative 1 end cell 10 cell negative 3 end cell row 0 9 8 end table close parentheses minus 5 open parentheses table row 0 0 cell negative 2 end cell row 11 4 0 row 3 cell negative 6 end cell 1 end table close parentheses end cell row blank equals cell open parentheses table row cell negative 4 end cell cell negative 12 end cell 6 row cell negative 1 end cell 10 cell negative 3 end cell row 0 9 8 end table close parentheses minus open parentheses table row 0 0 cell negative 10 end cell row 55 20 0 row 15 cell negative 30 end cell 5 end table close parentheses end cell row blank equals cell open parentheses table row cell negative 4 end cell cell negative 12 end cell 16 row cell negative 56 end cell cell negative 10 end cell cell negative 3 end cell row cell negative 15 end cell 39 3 end table close parentheses end cell end table

table attributes columnalign right center left columnspacing 0px end attributes row cell open parentheses A plus 2 B close parentheses plus open parentheses A minus 5 C close parentheses end cell equals cell open parentheses table row 28 cell negative 6 end cell 20 row 3 18 cell negative 21 end cell row cell negative 10 end cell 19 24 end table close parentheses plus open parentheses table row cell negative 4 end cell cell negative 12 end cell 16 row cell negative 56 end cell cell negative 10 end cell cell negative 3 end cell row cell negative 15 end cell 39 3 end table close parentheses end cell row blank equals cell open parentheses table row 24 cell negative 18 end cell 36 row cell negative 53 end cell 8 cell negative 24 end cell row cell negative 25 end cell 58 27 end table close parentheses end cell end table

Dengan demikian, hasil dari table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open parentheses A plus 2 B close parentheses end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank plus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open parentheses A minus 5 C close parentheses end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open parentheses table row 24 cell negative 18 end cell 36 row cell negative 53 end cell 8 cell negative 24 end cell row cell negative 25 end cell 58 27 end table close parentheses end cell end table 

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Diketahui P = ( 7 4 ​ − 3 0 ​ ) , Q ( − 3 0 ​ 3 8 ​ ) , dan R = ( − 2 12 ​ 1 5 ​ ) . Tentukan hasil dari matriks berikut. R − 3 P + 2 Q

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