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burhan101

  • 3 years ago

If vector u = [6,1,8] is perpendicular to vector v=[k,-4,5], determine value(s) of k

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  1. RadEn
    • 3 years ago
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    the rule : u.v = 0

  2. burhan101
    • 3 years ago
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    ohh

  3. burhan101
    • 3 years ago
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    so i go backwards ?

  4. arjont
    • 3 years ago
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    (6)((k)+(1)(-4)+(8)(5)=0 then just solve for k

  5. burhan101
    • 3 years ago
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    got it thanks !

  6. arjont
    • 3 years ago
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    yeah man it will be on a quiz for sure

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