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December 14th, 2008, 03:01 PM   #1
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chain rule

ok so im trying to find the derivative of ((x^2) + 10)^(3/4)
i was told to use the power rule then the chain rule, so"
3/4((x^2)+10)^(-1/4) d/dx ((x^2)+10)
but how do i figure out d/dx ((x^2)+10) ?
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December 14th, 2008, 03:12 PM   #2
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Re: chain rule

No product rule needed. The chain rule is basically just the derivative of the inside times the derivative of the outside.



Derivative of inside, , is

Derivative of outside is

Now, multiply them:

 
December 14th, 2008, 11:00 PM   #3
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Re: chain rule

thanks !!
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