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Aristotle
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Homework Statement
So I am working on an Electric Potential problem. There is a point P that is located on top of this rod ( this rod is aligned horizontally & is length L). I've solved this problem and got an answer.
I want to find when y>>L using Binomial Approximation except I am quite lost on how to apply it? If someone can please help.
The answer that I got while doing this from finding the electric potential is:V = 2kα [(L^2 / 16) + y^2 )^(1/2) - y ]
How would I use Binomial Approximation to get y>>L? Thanks in advance!
Homework Equations
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