Saturday
April 19, 2014

Homework Help: math

Posted by Yuni on Friday, July 29, 2011 at 8:08pm.

the volume of an cylindrical can with a radius r cm and height h cm is 128000 c^3, show that the surface area of the can is A=2(22/7)r^2 + 246000/r. Find the value for r to minimize the surface area.

*i know what the quest. ask but i do not know how to apply it.

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