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A formal proof for x^2 = 2^x


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#1 BMAD

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Posted 25 March 2013 - 02:48 AM

There are three solutions.  Can you find a formal proof for all three?


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#2 bonanova

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Posted 25 March 2013 - 01:23 PM

Spoiler for Looks like


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The greatest challenge to any thinker is stating the problem in a way that will allow a solution.
- Bertrand Russell

#3 bonanova

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Posted 25 March 2013 - 02:12 PM

Spoiler for third root


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The greatest challenge to any thinker is stating the problem in a way that will allow a solution.
- Bertrand Russell

#4 dark_magician_92

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Posted 25 March 2013 - 04:21 PM

roots are easy to find and 2 roots may be somehow proved. 3rd is difficult to prove.

Spoiler for


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