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Pertanyaan

Diketahui vektor-vektor u = ( 8 − 4 ​ ) , v = ( − 1 2 ​ ) , dan w = ( 0 2 ​ ) . Hitung: a. 2 u + 3 v

Diketahui vektor-vektor , dan . Hitung: 

a.  

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L. Rante

Master Teacher

Mahasiswa/Alumni Universitas Negeri Makassar

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 2 straight u with rightwards arrow on top plus 3 straight v with rightwards arrow on top equals open parentheses table row 13 row cell negative 2 end cell end table close parentheses

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Pembahasan

Diketahui vektor-vektor , , maka Jadi, .

Diketahui vektor-vektor straight u with rightwards arrow on top equals open parentheses table row 8 row cell negative 4 end cell end table close parenthesesv with rightwards arrow on top equals open parentheses table row cell negative 1 end cell row 2 end table close parentheses, maka 

table attributes columnalign right center left columnspacing 0px end attributes row cell 2 straight u with rightwards arrow on top plus 3 straight v with rightwards arrow on top end cell equals cell 2 open parentheses table row 8 row cell negative 4 end cell end table close parentheses plus 3 open parentheses table row cell negative 1 end cell row 2 end table close parentheses end cell row blank equals cell open parentheses table row 16 row cell negative 8 end cell end table close parentheses plus open parentheses table row cell negative 3 end cell row 6 end table close parentheses end cell row blank equals cell open parentheses table row cell 16 plus open parentheses negative 3 close parentheses end cell row cell negative 8 plus 6 end cell end table close parentheses end cell row blank equals cell open parentheses table row 13 row cell negative 2 end cell end table close parentheses end cell end table 

Jadi, 2 straight u with rightwards arrow on top plus 3 straight v with rightwards arrow on top equals open parentheses table row 13 row cell negative 2 end cell end table close parentheses

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