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Jika vektor a = − i + j ​ + 2 k b = 3 i + j ​ + 3 k c = 2 i − j ​ + k Maka vektor a − b + c adalah ....

Jika vektor  

Maka vektor  adalah ....

  1. begin mathsize 14px style negative 2 straight i with rightwards arrow on top minus straight j with rightwards arrow on top end style 

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

  3. begin mathsize 14px style negative straight i with rightwards arrow on top minus stack 2 straight j with rightwards arrow on top end style 

  4. begin mathsize 14px style straight i with rightwards arrow on top plus 2 straight j with rightwards arrow on top end style 

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

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Jawaban

vektornya adalah :

vektornya adalah : begin mathsize 14px style negative 2 straight i with rightwards arrow on top minus straight j with rightwards arrow on top end style

Pembahasan

Jadi vektornya adalah :

begin mathsize 14px style straight a with rightwards arrow on top minus straight b with rightwards arrow on top plus straight c with rightwards arrow on top equals open parentheses table row cell negative 1 end cell row 1 row 2 end table close parentheses minus open parentheses table row 3 row 1 row 3 end table close parentheses plus open parentheses table row 2 row cell negative 1 end cell row 1 end table close parentheses equals open parentheses table row cell negative 2 end cell row cell negative 1 end cell row 0 end table close parentheses end style 

Jadi vektornya adalah : begin mathsize 14px style negative 2 straight i with rightwards arrow on top minus straight j with rightwards arrow on top end style

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Diketahui vektor-vektor a = i + 2 j ​ − 3 k , b = 3 i + 5 j ​ , c = − 2 i − 4 j ​ + k ,dan vektor u = 2 a + b − c . Vektor dapat dijabarkan menjadi....

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