Roboguru

Diketahui vektor , tentukan .

Diketahui vektor begin mathsize 14px style o with rightwards arrow on top equals open square brackets table row cell negative 2 end cell row cell negative 5 end cell end table close square brackets space dan space p with rightwards arrow on top equals open square brackets table row cell negative 6 end cell row cell negative 9 end cell end table close square brackets end style, tentukan  begin mathsize 14px style 2 o with rightwards arrow on top minus p with rightwards arrow on top end style .

Jawaban:

Diketahui vektor begin mathsize 14px style o with rightwards arrow on top equals open square brackets table row cell negative 2 end cell row cell negative 5 end cell end table close square brackets space dan space p with rightwards arrow on top equals open square brackets table row cell negative 6 end cell row cell negative 9 end cell end table close square brackets end style, maka

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 2 o with rightwards arrow on top minus p with rightwards arrow on top end cell equals cell 2 open square brackets table row cell negative 2 end cell row cell negative 5 end cell end table close square brackets minus open square brackets table row cell negative 6 end cell row cell negative 9 end cell end table close square brackets end cell row blank equals cell open square brackets table row cell negative 4 end cell row cell negative 10 end cell end table close square brackets minus open square brackets table row cell negative 6 end cell row cell negative 9 end cell end table close square brackets end cell row cell 2 o with rightwards arrow on top minus p with rightwards arrow on top end cell equals cell open square brackets table row 2 row cell negative 1 end cell end table close square brackets end cell end table end style 

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