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Math Help - vector analysis, grad,div

  1. #1
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    vector analysis, grad,div

    Can anyone help me with this problem expecially c) . I believe you use a) to solve it but I don't know how.

    For r = (x,y,z)

    a) show that
    b) show that if is a constant vector
    c) find such that
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  2. #2
    MHF Contributor FernandoRevilla's Avatar
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    Choose

    phi ( r ) = ( 1 / 6 ) | r |^6
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  3. #3
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    sorry how did you come to this?
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  4. #4
    MHF Contributor FernandoRevilla's Avatar
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    Quote Originally Posted by riptorn70 View Post
    sorry how did you come to this?

    n - 2 = 4 so, n = 6 .
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  5. #5
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    Thank you, Fernando Revilla.
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  6. #6
    MHF Contributor FernandoRevilla's Avatar
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    Quote Originally Posted by riptorn70 View Post
    Thank you, Fernando Revilla.
    You are welcome!
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