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

AI Thread Summary
The discussion focuses on expanding the expression 1/(1-δ) as a Taylor series to determine the time delay of neutrinos. The user has derived a preliminary expression for the time delay but lacks experience with Taylor series. Assistance is requested to properly expand the expression using the necessary derivatives. The key steps involve calculating the derivatives of the function with respect to δ to facilitate the expansion. Understanding these concepts is crucial for accurately determining the time delay in the context of neutrino physics.
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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-\frac{1}{1-\delta}). 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.
 
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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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