Challenge problem: Show that: ,where a,b,c are any real Nos. Moderator edit: Approved Challenge question.
Last edited by mr fantastic; June 9th 2010 at 06:43 PM. Reason: Approval.
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From it follows that Let Thus, we have: And we're done. On the last step we used AM-GM inequality to get
Originally Posted by Unbeatable0 From it follows that Let Thus, we have: And we're done. On the last step we used AM-GM inequality to get Thanks. Another solution without using A.M-G.M would be if from: Since : e.t.c e.t.c Although my own solution is completely different.
Last edited by alexandros; June 10th 2010 at 05:37 AM. Reason: correction
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