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INT Group Title

what are two unit vectors that are orthogonal to both <1,-1,1> and <0,4,4>

  • 2 years ago
  • 2 years ago

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  1. YTheManifold Group Title
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    Cross product..

    • 2 years ago
  2. INT Group Title
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    Im not getting the right answer for some reason

    • 2 years ago
  3. YTheManifold Group Title
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    Normalize!

    • 2 years ago
  4. INT Group Title
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    can you show me the steps?

    • 2 years ago
  5. YTheManifold Group Title
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    \[ \frac{v\times w}{||v\times w||} \]

    • 2 years ago
  6. INT Group Title
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    I don't understand the denominator

    • 2 years ago
  7. INT Group Title
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    I guess my question would be how do you normalize

    • 2 years ago
  8. YTheManifold Group Title
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    Well if you have a vector v=(x,y,z) then \[ ||v|| := \sqrt{x^2+y^2+z^2} \]

    • 2 years ago
  9. Zarkon Group Title
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    \[\|<a,b,c>\|=\sqrt{a^2+b^2+c^2}\]

    • 2 years ago
  10. INT Group Title
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    ok, I got one of them. Would the other orthogonal vector just be B X A ?

    • 2 years ago
  11. YTheManifold Group Title
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    Just take the negative!

    • 2 years ago
  12. YTheManifold Group Title
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    Multiply by -1.

    • 2 years ago
  13. INT Group Title
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    oh, you're right!

    • 2 years ago
  14. INT Group Title
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    haha thanks.

    • 2 years ago
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