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Homework Help: Pf of lhopital

  1. Apr 24, 2005 #1
    i originally posted this in the analasys section. Since i havent been getting any results, i've figured that perhaps people feel it should be in the homework section. anyway, im trying to prove the folloting:

    if lim f(x)= infinity= lim g(x)
    x->infinity x->infinty

    and lim f'(x)/g'(x)=infinity
    x-> infinity

    then lim f(x)/g(x)=inifity
    x-> inifinity

    To be honest, i don't know where to begin, and that's where I need your help. How do i start to prove this?
     
  2. jcsd
  3. Apr 24, 2005 #2
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