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Jika vektor a = 2 i − 4 j ​ + 6 k dan b = 2 i − j ​ + 3 k , maka hasil dari 2 1 ​ a − 3 b adalah ....

Jika vektor  dan , maka hasil dari  adalah ....

  1. begin mathsize 14px style negative 5 straight i with rightwards arrow on top minus straight j with rightwards arrow on top minus 6 straight k with rightwards arrow on top end style 

  2. begin mathsize 14px style negative 5 straight i with rightwards arrow on top plus straight j with rightwards arrow on top minus 6 straight k with rightwards arrow on top end style 

  3. undefined 

  4. begin mathsize 14px style 5 straight i with rightwards arrow on top plus straight j with rightwards arrow on top minus 6 straight k with rightwards arrow on top end style 

  5. begin mathsize 14px style 5 straight i with rightwards arrow on top minus straight j with rightwards arrow on top minus 6 straight k with rightwards arrow on top end style 

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begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 1 half straight a with rightwards arrow on top minus 3 straight b with rightwards arrow on top end cell equals cell 1 half open parentheses 2 straight i with rightwards arrow on top minus 4 straight j with rightwards arrow on top plus 6 straight k with rightwards arrow on top close parentheses minus 3 open parentheses 2 straight i with rightwards arrow on top minus straight j with rightwards arrow on top plus 3 straight k with rightwards arrow on top close parentheses end cell row blank equals cell straight i with rightwards arrow on top minus 2 straight j with rightwards arrow on top plus 3 straight k with rightwards arrow on top minus 6 straight i with rightwards arrow on top plus 3 straight j with rightwards arrow on top minus 9 straight k with rightwards arrow on top end cell row blank equals cell negative 5 straight i with rightwards arrow on top plus straight j with rightwards arrow on top minus 6 straight k with rightwards arrow on top end cell end table end style 

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Diketahui vektor u = ( a b ​ ) dan v = ( b a ​ ) . Jika 3 u − 4 v = ( − 5 b ​ ) , maka a − b a + b ​ = ....

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