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    Ebudo's Avatar
    Ebudo Posts: 22, Reputation: 1
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    #1

    Nov 16, 2009, 03:54 PM
    unit vectors
    how do I find a unit vector that is orthogonal to both vector U=i+j+k and vector V=i+2j-3k.. Is it to find the modulus?
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #2

    Nov 17, 2009, 04:12 AM
    The two given vectors are already orthogonal because their dot product is 0.
    Ebudo's Avatar
    Ebudo Posts: 22, Reputation: 1
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    #3

    Nov 19, 2009, 03:11 PM

    Thanksss

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