perplexus.info :: Just Math : Only One, One, One II

Only One, One, One II (Posted on 2013-12-08)

A=B=C=1 is a positive real solution of:

A*B     B*C     C*A
---- + ----- + ----- = 3
 C       A       B

Prove that it is the only such solution.

See The Solution Submitted by K Sengupta

Rating: 2.3333 (3 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

re: Counterexample?

| Comment 2 of 5 |

(In reply to Counterexample? by Jer)

That counterexample works. No wonder this was so hard to prove! Nice work, Jer

Posted by Steve Herman on 2013-12-09 20:46:57

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