May 19th, 2010, 03:39 PM  #1 
Newbie Joined: Mar 2010 Posts: 18 Thanks: 0  Maxima
Calculate the maximum volume of a cuboid with a surface area of Attempt: The volume is xyz The surface area is 2xy + 2yz + 2xz = 10 So I take the surface area as a constraint. Using Lagrange multiplier method, we get: so we get x=y=z and then we get meaning am I right? 
May 19th, 2010, 04:52 PM  #2 
Senior Member Joined: Apr 2008 Posts: 435 Thanks: 0  Re: Maxima
This looks pretty solid to me.

May 20th, 2010, 12:37 AM  #3 
Newbie Joined: Mar 2010 Posts: 18 Thanks: 0  Re: Maxima
Thank you!


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