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Posted by on Wednesday, June 5, 2013 at 9:11am.

For each positive integer n, let Hn=1/1 + 1/2 +⋯+ 1/n . If ∑ (up)∞ (base)(n=4) 1/n*Hn*H(n-1)= a/b for relatively prime positive integers a and b, find a+b.

  • heeeelp math - , Thursday, June 6, 2013 at 10:22am

    imageshack.us/photo/my-images/17/codecogseqn1.gif/

    Did you mean this?

  • heeeelp math - , Thursday, June 6, 2013 at 11:39am

    yes

  • heeeelp math - , Thursday, June 6, 2013 at 12:28pm

    Except for the equals sign right?

  • heeeelp math - , Saturday, June 8, 2013 at 5:06pm

    17

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