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Product of total differentials

  1. Apr 4, 2014 #1
    Dear All,
    I am unable to understand a simple mathematics relation. I spent 2-3 hours to Google multi-variable mathematics and have studied some concepts, still i am missing/confusing some basics. The problem I have at hand is following.

    Vector p can be written as
    p = (p1, p2, p3) = n(sin θ3 cos φ, sin θ3 sin φ, cos θ3)

    As defined earlier, p1, p2, and p3 are the x1, x2, and x3 components of vector p and therefore dp1dp2 can be written as shown in attached figure.

    Kindly help me understand the multiplication of these two total differentials dp1*dp2. I cannot find any easy reference to product of total differentials. I will appreciate reference to any material.

    Many thanks for your help and support.
    Regards,
    Taimoor.
     

    Attached Files:

  2. jcsd
  3. Apr 4, 2014 #2

    mathman

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