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:How to solve this?

  1. Oct 30, 2007 #1
    [URGENT]:How to solve this?

    Do i need to use any theorem to solve this such as divergence theorem?

    the first question need to find the volume of the sphere that a part in up and bottom being cut( z-axis) and the middle is a hole( cylindrical shape )

    the second question need to find the volume of a cone with a cylinder.

    for both question, the answer is not need completely solve, just need find the main equation for finding the volume.( I mean just find the range for integration by using dx,dy,dz or using polar coordinate )
    Equation for finding volume equation using polar coordinate is prefered.
     

    Attached Files:

  2. jcsd
  3. Oct 31, 2007 #2
    Why would divergence theorem be needed? For the first one, z = +- sqrt(j^2-x^2-y^2). Put this in a polar integral.
     
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