Roboguru

Diketahui matriks dan . Matriks adalah ....

Diketahui matriks begin mathsize 14px style P equals open parentheses table row 2 cell negative 1 end cell row 5 6 end table close parentheses end style dan begin mathsize 14px style Q equals open parentheses table row 8 cell negative 4 end cell 7 row 0 cell negative 3 end cell cell negative 2 end cell end table close parentheses end style. Matriks begin mathsize 14px style P Q end style adalah ....

  1. begin mathsize 14px style open parentheses table row cell negative 4 end cell 37 row 20 cell negative 34 end cell end table close parentheses end style 

  2. begin mathsize 14px style open parentheses table row cell negative 20 end cell 11 12 row 40 cell negative 34 end cell 23 end table close parentheses end style 

  3. begin mathsize 14px style open parentheses table row cell negative 16 end cell cell negative 5 end cell 16 row 40 cell negative 38 end cell 23 end table close parentheses end style 

  4. begin mathsize 14px style open parentheses table row cell negative 16 end cell 5 16 row 40 cell negative 38 end cell cell negative 23 end cell end table close parentheses end style 

  5. begin mathsize 14px style open parentheses table row cell negative 16 end cell 11 12 row 40 cell negative 38 end cell 23 end table close parentheses end style 

Jawaban:

Ordo matriks begin mathsize 14px style P end style adalah begin mathsize 14px style 2 cross times 2 end style dan ordo matriks begin mathsize 14px style Q end style adalah begin mathsize 14px style 2 cross times 3 end style, sehingga ordo matriks begin mathsize 14px style P Q end style adalah undefined.
 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell P Q end cell equals cell open parentheses table row 2 cell negative 1 end cell row 5 6 end table close parentheses times open parentheses table row 8 cell negative 4 end cell 7 row 0 cell negative 3 end cell cell negative 2 end cell end table close parentheses end cell row blank equals cell open parentheses table row cell 16 plus 0 end cell cell negative 8 plus 3 end cell cell 14 plus 2 end cell row cell 40 plus 0 end cell cell negative 20 minus 18 end cell cell 35 minus 12 end cell end table close parentheses end cell row blank equals cell open parentheses table row 16 cell negative 5 end cell 16 row 40 cell negative 38 end cell 23 end table close parentheses end cell end table end style
 

Dengan demikian matriks undefined adalah begin mathsize 14px style open parentheses table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell table row 16 cell negative 5 end cell 16 row 40 cell negative 38 end cell 23 end table end cell end table close parentheses end style.

Tidak ada jawaban di option yang benar.

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