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Joint density problem

  1. Jun 19, 2012 #1
    Hi all

    i have problem with my h.w , i think the question is related more to math than to probability, but i'm sure someone here will find how to help me

    so i attached my solution with the question, i think i have difficulty to find the right boundaries of the marginal density function of X.

    please have a look ,

    thx in advance

    Attached Files:

  2. jcsd
  3. Jun 21, 2012 #2
    Why are you trying to calculate the marginal distribution? Wouldn't it be easier just to integrate the full PDF in polar coordinates again?
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