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1. Diketahui vektor-vektor a = ( 2 − 1 ​ ) , b = ( 6 − 2 ​ ) , dan c = ( 0 − 2 ​ ) . Tentukan: c. b ∙ c

1. Diketahui vektor-vektor  Tentukan:

c.      

  1. ...space 

  2. ...undefined 

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R. Diah

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

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Pembahasan

begin mathsize 14px style b with rightwards arrow on top bullet c with rightwards arrow on top equals open parentheses b with rightwards arrow on top subscript i cross times c with rightwards arrow on top subscript i close parentheses plus open parentheses b with rightwards arrow on top subscript j cross times c with rightwards arrow on top subscript j close parentheses b with rightwards arrow on top bullet c with rightwards arrow on top equals open parentheses 6 cross times 0 close parentheses plus open parentheses negative 2 cross times negative 2 close parentheses b with rightwards arrow on top bullet c with rightwards arrow on top equals 0 plus 4 b with rightwards arrow on top bullet c with rightwards arrow on top equals 4 end style 

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