A simple equation to differentation, having trouble

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SUMMARY

The discussion focuses on differentiating the function f(t) = [(e^(-t/4))(-t+4)] / 4 using the product and chain rules of calculus. The derivative is expressed as \frac{1}{4} \left [\frac{d}{dt}(e^{-t/4}) \right ](4-t)+\frac{1}{4}e^{-t/4}\left [ \frac{d}{dt}(4-t) \right ]. This breakdown clarifies the steps involved in the differentiation process, providing a clear path for solving similar problems.

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Homework Statement


Differentiate the following:

f(t) = [(e^(-t/4))(-t+4)] / 4


Homework Equations


None. Just an equation to differentiate.


The Attempt at a Solution


I'd type it, but it is a mess.

Thanks in advance.
 
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What are you having trouble with? This differentiation is simply a combination of the product and chain rules. Let me see if I can simplify it for you. The derivative would be:

[tex]\frac{1}{4} \left [\frac{d}{dt}(e^{-t/4}) \right ](4-t)+\frac{1}{4}e^{-t/4}\left [ \frac{d}{dt}(4-t) \right ][/tex]

See if you can compute this, now that you know what must be differentiated at a given time.
 

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