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Recent content by jessicawhite999

  1. J

    Add me to whatsapp group

    Any guy use whatsapp group? I wanna join too
  2. J

    Basis risk

    So many thanks, that what I am looking for.
  3. J

    What is posiitve semi-definite matrix? (R16.P1.T2.HULL_CH11)

    The illustration and explanatory is so much clear, thanks much