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September 22, 2025, 03:08:52 am
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Author Topic: Differeniation minimum question  (Read 874 times)  Share 

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starbuckscoffee

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Differeniation minimum question
« on: May 26, 2008, 08:42:16 pm »
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Show that the equation T(x) = ((64+x^2)^(1/2) / 5) + ((20-x)/15) has a minimum value when x= 2square root2

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ed_saifa

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Re: Differeniation minimum question
« Reply #1 on: May 26, 2008, 08:53:17 pm »
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for stationary points










Then you need to justify by drawing a variation table or draw a graph.
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starbuckscoffee

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Re: Differeniation minimum question
« Reply #2 on: May 26, 2008, 08:58:30 pm »
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cool...thankz
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