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If you were asked to differentiate something like y=x(x^2-2x)^5/(x^3+1)^7 You would probably attempt to use the quotient rule, right? But maybe it would be wise to try some implicit differentiation instead? lny=lnx+5ln(x^2-2x)-7ln(x^3+1) y'/y=1/x+10(x-1)/(x^2-2x)-21x^2/(x^3+1)...

http://www.physorg.com/news5393.html Looks like the air we breathe isn't even ad-free anymore.

http://www.physorg.com/news5388.html

Who is going? Will I meet anybody there?

Can you do that subject again without any penalty?

http://www.theinquirer.net/?article=24319 It's interesting to note that it would be essentially impossible to completely remove the possibility of offense from speech, and anybody who's read 1984 might be wondering if we should even if we could. How far should political correctness go...

But not in the traditional sense. Instead of getting an extra day, we get an extra secod. http://www.wfmynews2.com/news/technology/tech_article.aspx?storyid=44490 It's strange because Earth's orbit isn't uniformly slowing down, as in 1999 it atually sped up (the pattern is roughly: slow...

http://weblog.physorg.com/news1725.html Yay for nanotechnology.

Move on to fake numbers. Much more interesting. Let f be such that |f|=-1. Mummy.