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Pertanyaan

Diketahui matriks P = [ 1 5 ​ 3 0 ​ 2 − 5 ​ ] dan Q = [ 0 2 ​ − 1 1 ​ − 1 3 ​ ] . Jika R = P Q T , matriks R = ....

Diketahui matriks  dan . Jika , matriks  

  1. begin mathsize 14px style open square brackets table row 5 11 row 5 25 end table close square brackets end style 

  2. begin mathsize 14px style open square brackets table row 5 11 row 5 cell negative 5 end cell end table close square brackets end style 

  3. begin mathsize 14px style open square brackets table row cell negative 5 end cell 1 row 5 cell negative 5 end cell end table close square brackets end style 

  4. begin mathsize 14px style open square brackets table row cell negative 5 end cell 11 row 5 cell negative 5 end cell end table close square brackets end style 

  5. begin mathsize 14px style open square brackets table row cell negative 5 end cell 11 row 5 25 end table close square brackets end style 

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D. Setiadi

Master Teacher

Mahasiswa/Alumni Universitas Pendidikan Indonesia

Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah D.

jawaban yang tepat adalah D.

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Pembahasan

Matriks dan . Jadi, jawaban yang tepat adalah D.

Matriks begin mathsize 14px style P equals open square brackets table row 1 3 2 row 5 0 cell negative 5 end cell end table close square brackets end style dan begin mathsize 14px style Q equals open square brackets table row 0 cell negative 1 end cell cell negative 1 end cell row 2 1 3 end table close square brackets end style.

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row R equals cell P Q to the power of T end cell row blank equals cell open square brackets table row 1 3 2 row 5 0 cell negative 5 end cell end table close square brackets open square brackets table row 0 cell negative 1 end cell cell negative 1 end cell row 2 1 3 end table close square brackets to the power of T end cell row blank equals cell open square brackets table row 1 3 2 row 5 0 cell negative 5 end cell end table close square brackets open square brackets table row 0 2 row cell negative 1 end cell 1 row cell negative 1 end cell 3 end table close square brackets end cell row blank equals cell open square brackets table row cell 1 times 0 plus 3 times left parenthesis negative 1 right parenthesis plus 2 times left parenthesis negative 1 right parenthesis end cell cell 1 times 2 plus 3 times 1 plus 2 times 3 end cell row cell 5 times 0 plus 0 times left parenthesis negative 1 right parenthesis plus left parenthesis negative 5 right parenthesis times left parenthesis negative 1 right parenthesis end cell cell 5 times 2 plus 0 times 1 plus left parenthesis negative 5 right parenthesis times 3 end cell end table close square brackets end cell row blank equals cell open square brackets table row cell negative 5 end cell 11 row 5 cell negative 5 end cell end table close square brackets end cell end table end style

Jadi, jawaban yang tepat adalah D.

Latihan Bab

Konsep Kilat

Pengertian Matriks

Operasi Hitung Matriks

Invers Matriks

Perdalam pemahamanmu bersama Master Teacher
di sesi Live Teaching, GRATIS!

1rb+

Laudya Zetrinayla Maharani

Makasih ❤️

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Selesaikan sistem persamaan linear tiga variabel berikut dengan cara invers matriks. ⎩ ⎨ ⎧ ​ x + y + z = 8 3 x − y + 3 z = 8 5 x + 2 z = 10 ​

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