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Jika u = a − 3 b dan v = 5 a + 3 b maka ....

Jika dan maka begin mathsize 14px style 3 u with rightwards arrow on top plus 2 open parentheses u with rightwards arrow on top minus 2 v with rightwards arrow on top close parentheses plus v with rightwards arrow on top equals end style  ....

  1. begin mathsize 14px style 20 italic a with rightwards arrow on top minus sign 24 italic b with rightwards arrow on top end style

  2. begin mathsize 14px style 20 a with rightwards arrow on top minus 6 b with rightwards arrow on top end style

  3. begin mathsize 14px style 20 a with rightwards arrow on top plus 24 b with rightwards arrow on top end style

  4. begin mathsize 14px style negative 10 a with rightwards arrow on top minus 24 b with rightwards arrow on top end style

  5. begin mathsize 14px style negative 10 a with rightwards arrow on top minus 6 b with rightwards arrow on top end style

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begin mathsize 14px style 3 u with rightwards arrow on top plus 2 open parentheses u with rightwards arrow on top minus 2 v with rightwards arrow on top close parentheses plus v with rightwards arrow on top equals 3 u with rightwards arrow on top plus 2 u with rightwards arrow on top minus 2 open parentheses 2 v with rightwards arrow on top close parentheses plus v with rightwards arrow on top equals 3 u with rightwards arrow on top plus 2 u with rightwards arrow on top minus 4 v with rightwards arrow on top plus v with rightwards arrow on top equals open parentheses 3 plus 2 close parentheses u with rightwards arrow on top plus open parentheses negative 4 plus 1 close parentheses v with rightwards arrow on top equals 5 u with rightwards arrow on top minus 3 v with rightwards arrow on top end style 

Sehingga

begin mathsize 14px style 3 u with rightwards arrow on top plus 2 open parentheses u with rightwards arrow on top minus 2 v with rightwards arrow on top close parentheses plus v with rightwards arrow on top equals 5 u with rightwards arrow on top minus 3 v with rightwards arrow on top equals 5 open parentheses a with rightwards arrow on top minus 3 b with rightwards arrow on top close parentheses minus 3 open parentheses 5 a with rightwards arrow on top plus 3 b with rightwards arrow on top close parentheses equals 5 a with rightwards arrow on top minus 5 open parentheses 3 b with rightwards arrow on top close parentheses minus 3 open parentheses 5 a with rightwards arrow on top close parentheses minus 3 open parentheses 3 b with rightwards arrow on top close parentheses equals 5 a with rightwards arrow on top minus 15 b with rightwards arrow on top minus 15 a with rightwards arrow on top minus 9 b with rightwards arrow on top equals 5 a with rightwards arrow on top minus 15 a with rightwards arrow on top minus 15 b with rightwards arrow on top minus 9 b with rightwards arrow on top equals open parentheses 5 minus 15 close parentheses a with rightwards arrow on top plus open parentheses negative 15 minus 9 close parentheses b with rightwards arrow on top equals negative 10 a with rightwards arrow on top plus open parentheses negative 24 close parentheses b with rightwards arrow on top equals negative 10 a with rightwards arrow on top minus 24 b with rightwards arrow on top end style 

 

 

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Perhatikan gambar berikut Gambar dari vektor hasil 3 p ​ + 2 r + q ​ adalah ....

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