A pertinent freshman catcher

Discussion: A pertinent freshman catcher
From the forum: Sam's Essays
This thread was started by: Stan.
Discussion start time: 2010-03-09 10:40:35.

From: Stan.
Subj: A pertinent freshman catcher
Date: 2010-03-09 10:40:35.
A nice exercise for those starting with Analysis is the function y(x) = x^(1/ln(x)). In particular if you ask the students to calculate its first or second derivative, you will probably get a lot of answers, some very long and complex.
Your master equation of course gives the cleanest answer.

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From: Stan.
Date: 2010-03-09 10:45:16.
Well, this really belonged to the article "One Equation to Rule Them All".
When it comes to Forums and the like, I am just too clumsy.
Anyway: does anybody know some other neat traps like this one?
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From: Glowing Face Man.
Date: 2010-03-12 22:31:01.
Hah, great example :)
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