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Diketahui bahwa  dan . Jika , maka hasil dari

Pertanyaan

Diketahui bahwa begin mathsize 14px style a with rightwards arrow on top equals open parentheses table row 1 row 2 row cell negative 3 end cell end table close parentheses comma b with rightwards arrow on top equals open parentheses table row 4 row 4 row m end table close parentheses comma end style dan begin mathsize 14px style c with rightwards arrow on top equals open parentheses table row 3 row cell negative 4 end cell row 5 end table close parentheses end style. Jika begin mathsize 14px style a with rightwards arrow on top perpendicular b with rightwards arrow on top end style, maka hasil dari begin mathsize 14px style a with rightwards arrow on top plus 2 b with rightwards arrow on top minus c with rightwards arrow on top equals... end style 

  1. begin mathsize 14px style open parentheses table row 6 row 14 row 0 end table close parentheses end style 

  2. begin mathsize 14px style open parentheses table row 6 row 14 row 6 end table close parentheses end style 

  3. begin mathsize 14px style open parentheses table row 6 row 14 row 10 end table close parentheses end style 

  4. open parentheses table row size 14px 6 row size 14px 14 row size 14px 12 end table close parentheses 

  5. open parentheses table row size 14px 6 row size 14px 14 row size 14px 14 end table close parentheses 

Pembahasan Soal:

Karena undefined, maka:

table attributes columnalign right center left columnspacing 0px end attributes row cell a with rightwards arrow on top times b with rightwards arrow on top end cell equals 0 row cell open parentheses table row 1 row 2 row cell negative 3 end cell end table close parentheses times open parentheses table row 4 row 4 row m end table close parentheses end cell equals 0 row cell 4 plus 8 minus 3 m end cell equals 0 row cell 12 minus 3 m end cell equals 0 row cell 3 m end cell equals 12 row m equals 4 end table 

Dengan demikian,

table attributes columnalign right center left columnspacing 0px end attributes row blank blank blank row cell a with rightwards arrow on top plus 2 b with rightwards arrow on top minus c with rightwards arrow on top end cell equals cell open parentheses table row 1 row 2 row cell negative 3 end cell end table close parentheses plus 2 open parentheses table row 4 row 4 row 4 end table close parentheses minus open parentheses table row 3 row cell negative 4 end cell row 5 end table close parentheses end cell row blank equals cell open parentheses table row 1 row 2 row cell negative 3 end cell end table close parentheses plus open parentheses table row 8 row 8 row 8 end table close parentheses minus open parentheses table row 3 row cell negative 4 end cell row 5 end table close parentheses end cell row blank equals cell open parentheses table row 6 row 14 row 0 end table close parentheses end cell end table  

Jadi, jawaban yang tepat adalah A.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 19 Mei 2021

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