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

Pertanyaan

1. Diketahui vektor-vektor begin mathsize 14px style a with rightwards arrow on top equals open parentheses table row 2 row cell negative 1 end cell end table close parentheses space comma space b with rightwards arrow on top equals open parentheses table row 6 row cell negative 2 end cell end table close parentheses space comma space dan space c with rightwards arrow on top equals open parentheses table row 0 row cell negative 2 end cell end table close parentheses. end style Tentukan:

e.  begin mathsize 14px style b with rightwards arrow on top bullet left parenthesis a with rightwards arrow on top minus c with rightwards arrow on top right parenthesis end style      

  1. ...space 

  2. ...undefined 

R. Diah

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Pembahasan

begin mathsize 14px style b with rightwards arrow on top bullet left parenthesis a with rightwards arrow on top minus c with rightwards arrow on top right parenthesis equals open parentheses table row 6 row cell negative 2 end cell end table close parentheses bullet open parentheses open parentheses table row 2 row cell negative 1 end cell end table close parentheses minus open parentheses table row 0 row cell negative 2 end cell end table close parentheses close parentheses equals open parentheses table row 6 row cell negative 2 end cell end table close parentheses bullet open parentheses open parentheses table row cell 2 minus 0 end cell row cell negative 1 minus open parentheses negative 2 close parentheses end cell end table close parentheses close parentheses equals open parentheses table row 6 row cell negative 2 end cell end table close parentheses bullet open parentheses table row 2 row 1 end table close parentheses equals open parentheses 6 cross times 2 close parentheses plus open parentheses negative 2 cross times 1 close parentheses equals 12 minus 2 equals 10 end style 

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