Roboguru

Diketahui Matriks , Nilai dari adalah...

Pertanyaan

Diketahui Matriks begin mathsize 14px style A equals open parentheses table row 5 8 6 row 1 2 3 end table close parentheses comma space B equals open parentheses table row cell negative 2 end cell 1 0 row 3 2 cell negative 1 end cell end table close parentheses space dan space straight C equals open parentheses table row 4 7 5 row 3 cell negative 2 end cell cell negative 1 end cell end table close parentheses end style, Nilai dari begin mathsize 14px style 2 A minus 3 B plus C end style adalah...

  1. begin mathsize 14px style open square brackets table row 8 20 17 row 10 cell negative 4 end cell 8 end table close square brackets end style

  2. begin mathsize 14px style open square brackets table row 20 8 17 row cell negative 4 end cell 10 8 end table close square brackets end style 

  3. begin mathsize 14px style open square brackets table row 20 17 8 row 8 4 10 end table close square brackets end style 

  4. begin mathsize 14px style open square brackets table row cell negative 20 end cell 20 cell negative 17 end cell row 4 4 8 end table close square brackets end style

  5. begin mathsize 14px style open square brackets table row 20 20 17 row cell negative 4 end cell cell negative 4 end cell 8 end table close square brackets end style

Pembahasan Soal:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 2 A minus 3 B plus C end cell equals cell 2 open square brackets table row 5 8 6 row 1 2 3 end table close square brackets minus 3 open square brackets table row cell negative 2 end cell 1 0 row 3 2 cell negative 1 end cell end table close square brackets plus open square brackets table row 4 7 5 row 3 cell negative 2 end cell cell negative 1 end cell end table close square brackets end cell row blank equals cell open square brackets table row 10 16 12 row 2 4 6 end table close square brackets minus open square brackets table row cell negative 6 end cell 3 0 row 9 6 cell negative 3 end cell end table close square brackets plus open square brackets table row 4 7 5 row 3 cell negative 2 end cell cell negative 1 end cell end table close square brackets end cell row blank equals cell open square brackets table row cell 10 minus left parenthesis negative 6 right parenthesis plus 4 end cell cell 16 minus 3 plus 7 end cell cell 12 minus 0 plus 5 end cell row cell 2 minus 9 plus 3 end cell cell 4 minus 6 plus left parenthesis negative 2 right parenthesis end cell cell 6 minus left parenthesis negative 3 right parenthesis plus left parenthesis negative 1 right parenthesis end cell end table close square brackets end cell row blank equals cell open square brackets table row 20 20 17 row cell negative 4 end cell cell negative 4 end cell 8 end table close square brackets end cell end table end style

Jadi, jawaban yang tepat adalah E.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 12 Februari 2021

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