How can I expand the time delay of neutrinos as a Taylor series?

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SUMMARY

The discussion focuses on expanding the expression 1/(1-δ) as a Taylor series to analyze the time delay of neutrinos. The user successfully expressed the time delay as D(1 - 1/(1-δ)) but lacks experience with Taylor series. The key takeaway is the necessity of calculating the derivative of the expression 1/(1-δ) with respect to δ to facilitate the expansion.

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Homework Statement


http://img517.imageshack.us/img517/8112/neutrinosll8.jpg



Homework Equations





The Attempt at a Solution


I was able to express the time delay as D(1-[tex]\frac{1}{1-\delta}[/tex]). However, I don't have a lot of experience using Taylor series and did not use one to obtain said answer for the time delay. Any help would be appreciated. Thanks.
 
Last edited by a moderator:
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They want you to expand the expression,

1 / (1-δ)

as a Taylor series. So you'll need the derivative of that expression with respect to δ.
 

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