Drexel dragonThe Math ForumDonate to the Math Forum



Search All of the Math Forum:

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.


Math Forum » Discussions » sci.math.* » sci.math.independent

Topic: Reciprocals of integers summing to 1
Replies: 21   Last Post: Nov 23, 2012 8:44 PM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
Don Redmond

Posts: 55
Registered: 5/5/11
Re: Reciprocals of integers summing to 1
Posted: Nov 16, 2012 9:10 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

On Thursday, November 15, 2012 11:39:57 PM UTC-6, Charlie-Boo wrote:
> On Nov 16, 12:21 am, William Elliot <ma...@panix.com> wrote:
>

> > On Thu, 15 Nov 2012, Charlie-Boo wrote:
>
> > > For each n, what are the solutions in positive integers (or in
>
> > > integers) to (1/X1)+(1/X2) + . . . + (1/Xn)=1 ?
>
> >
>
> > x1 = x2 =..= x_n = n
>
>
>
> But there is also 1/2 + 1/3 + 1/6 = 1. I am asking for all solutions.
>
>
>
> C-B


Here's another

1/2 + 1/3 + 1/7 + 1/42 = 1.

don



Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2014. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.