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I'm stuck on this (Chain Rule!!) Differentiation problem: \(\ \Huge \frac{1}{(t^4+1)^3} .\)

Mathematics
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I would make it a negative exponent.
|dw:1352344215249:dw|
Can you do it now?

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Other answers:

I'll give it a try. Thanks for the hint, @Dido525!
Welcome :) .
Let me know what you get.
\(\ \Huge \text{Okay. We're both 63 :)} \)
63?
\(\ \text{Not age, of course (though I have no way of knowing...); I was referring to SmartScore.} \)
SmartScore*
Ohh...
\(\ \large \text{Okay, so I got: }\) \(\ \Huge -3(t^4+1)^{-4}+4t^3, \) \(\ \Large\text{Is that correct?} \)
Close, but that is not correct.
@Babyslapmafro \(\ \Large\text{Where did I go wrong?} \)
You must multiply the derivative of the outside by the derivative of the inside, you added the two.
You must multiply not add.
\(\ \Huge \text{?} \)
\(\ \Huge \text{Where?} \)
You must multiply the derivative of the quantity (t^4+1) to the derivative of the outside function.
|dw:1352344924295:dw|
Oh! Wrong sign. Thanks for pointing that out. The answers in the book in the back say this is the correct answer (with a multiplication sign). Thanks @Dido525 and @Babyslapmafro!
Welcome :) .
\[-\frac{ 12t^3 }{ (t^4+1)^4 }\]
That is the answer in a more simplified "cleaner" format.

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