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November 9th, 2011, 03:53 PM  #1 
Newbie Joined: Nov 2010 From: CA Posts: 25 Thanks: 0  Find the dimension of the rectangular box
Hello everyone, please help me with these problems Thanks in advance. 1/Find the dimension of the rectangular box of maximum volume that has three of its faces in the coordinate planes, one vertex at the origin, and another vertex in the first octant on the plane 2x+3y+5z=36 2/ Use polar coordinate to evaluate where 
November 9th, 2011, 08:33 PM  #2  
Math Team Joined: Dec 2006 From: Lexington, MA Posts: 3,267 Thanks: 408  Re: Find the dimension of the rectangular box Hello, genie! Quote:
I would use Lagrange multipliers. [color=beige]. . [/color] [color=beige]. . [/color] [color=beige]. . [/color]  
November 10th, 2011, 04:16 AM  #3 
Math Team Joined: Nov 2010 From: Greece, Thessaloniki Posts: 1,990 Thanks: 133 Math Focus: pre pre pre pre pre pre pre pre pre pre pre pre calculus  Re: Find the dimension of the rectangular box [color=#000000]2. and A plot of the given region. [attachment=0:2barqvmz]graph.gif[/attachment:2barqvmz] .[/color] 

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