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sphere is the object that has the minimal area for a fix volume, proof

 
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Feb17-13, 11:10 AM   #1
 

sphere is the object that has the minimal area for a fix volume, proof


Can someone give a proof of the statement: “For fix volume a 3-D objects that has minimal surface area is the sphere” ?
 
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Feb17-13, 03:45 PM   #2
 
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http://www.peejeshare.com/mathematic...ce-area-123391

The above may help.
 
Feb17-13, 05:15 PM   #3
rbj
 
Quote by mathman View Post
didn't seem too helpful. maybe it needs some LaTeX formatting

i could tell some of the ? marks were supposed to be [itex]\pi[/itex], but there were some connections i could not make in the derivation.
 
Feb17-13, 09:13 PM   #4
 
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sphere is the object that has the minimal area for a fix volume, proof


Start here: http://en.wikipedia.org/wiki/Isoperimetric_inequality
 
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