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May 25, 2025, 05:49:55 am
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Author Topic: VCAA 2007 Q1 D  (Read 490 times)  Share 

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mkhan

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VCAA 2007 Q1 D
« on: November 07, 2010, 02:55:25 pm »
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They are asking for the maximum possible surface area of the can...

Why sub in V^(1/3)/10 ?????
I don't understand why you would sub in the lowest possible value r can have(V^(1/3)/10< r < (5v^(1/3))/9)

argh!

help guys
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Jdog

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Re: VCAA 2007 Q1 D
« Reply #1 on: November 07, 2010, 02:59:22 pm »
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because the maximum occurs at the left end point,
since when you diffrentiate and equate to zero, that comes to the minimum,
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Jdog

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Re: VCAA 2007 Q1 D
« Reply #2 on: November 07, 2010, 03:00:20 pm »
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im not sure which side, actually might be left or right .
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Slumdawg

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Re: VCAA 2007 Q1 D
« Reply #3 on: November 07, 2010, 03:00:36 pm »
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2010 ATAR: 98.35 - Psychology [50] Media Studies [47] 
2011-'13: Bachelor of Biomedicine [Neuroscience Major] at Melbourne Uni 
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