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Diberikanvektor u ⇀ = ( − 7 1 ​ ) dan v ⇀ = ( 9 − 3 ​ ) . Tentukan: a. u ⇀ ⋅ 3 1 ​ v ⇀

Diberikan vektor  dan . Tentukan:

a.  

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A. Salim

Master Teacher

Mahasiswa/Alumni Universitas Pelita Harapan

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 Error converting from MathML to accessible text. 

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Pembahasan

Perkalian skala dengan vektor dan konsep perkalian titik (dot product): Maka: Jadi,

Perkalian skala dengan vektor dan konsep perkalian titik (dot product):

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 1 third straight v with rightwards harpoon with barb upwards on top end cell equals cell 1 third open parentheses table row 9 row cell negative 3 end cell end table close parentheses end cell row blank equals cell open parentheses table row 3 row cell negative 1 end cell end table close parentheses end cell end table end style 

Maka:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell straight u with rightwards harpoon with barb upwards on top times 1 third straight v with rightwards harpoon with barb upwards on top end cell equals cell open parentheses table row cell negative 7 end cell row 1 end table close parentheses times open parentheses table row 3 row cell negative 1 end cell end table close parentheses end cell row blank equals cell left parenthesis negative 7 right parenthesis times 3 plus 1 times left parenthesis negative 1 right parenthesis end cell row blank equals cell negative 21 plus left parenthesis negative 1 right parenthesis end cell row blank equals cell negative 22 end cell end table end style 

Jadi, Error converting from MathML to accessible text. 

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