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	Harmonic numbers		2003-03-19
		Becky pose la question : Harmonic numbers are Hn = 1 + ? + 1/3 + . . . + 1/n Use induction to prove the following theorem: For all natural numbers n, H1 + H2 + . . . + Hn = (1+n)Hn - n Penny Nom lui répond.
	Harmonic numbers		2003-03-12
		Becky pose la question : What can you tell me about the limit of harmonic numbers as it reaches infinity? Penny Nom lui répond.
	Harmonic numbers		2001-05-23
		Leslie pose la question : The harmonic numbers Hk, k = 1,2,3.....are defined by Hk = 1 + 1/2 + 1/3....1/k I am trying to prove by mathematical induction: H2n >= 1 + n/2 , whenever n is a nonnegative integer. H8 = H23 >= 1 + 3/2 Can you help? Harley Weston lui répond.

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