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Diketahui ABCDEFG adalah segi-enam beraturan. Jika vektor CB dan CD masing – masing dinyatakan oleh u dan v , maka DF = ...

Diketahui ABCDEFG adalah segi-enam beraturan. Jika vektor  dan  masing – masing dinyatakan oleh  dan , maka

  1. begin mathsize 14px style 2 straight u with rightwards arrow on top plus 2 straight v with rightwards arrow on top end style 

  2. begin mathsize 14px style 2 straight u with rightwards arrow on top plus straight v with rightwards arrow on top end style 

  3. begin mathsize 14px style 2 straight u with rightwards arrow on top minus 2 straight v with rightwards arrow on top end style 

  4. begin mathsize 14px style 2 straight u with rightwards arrow on top minus straight v with rightwards arrow on top end style

  5. begin mathsize 14px style negative straight u with rightwards arrow on top plus straight v with rightwards arrow on top end style 

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begin mathsize 14px style DF with rightwards arrow on top equals DO with rightwards arrow on top plus OF with rightwards arrow on top DF with rightwards arrow on top equals DO with rightwards arrow on top plus OE with rightwards arrow on top plus EF with rightwards arrow on top DF with rightwards arrow on top equals straight u with rightwards arrow on top plus straight v with rightwards arrow on top plus straight u with rightwards arrow on top DF with rightwards arrow on top equals 2 straight u with rightwards arrow on top plus straight v 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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