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(3^-2+x^2)^-1 = -2x, how is this solved?
 May 31, 2012
 #1
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[input](3^-2+x^2)^-1 = -2x[/input]
 May 31, 2012
 #2
avatar+42 
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http://en.wikipedia.org/wiki/Quartic_function
 Jun 1, 2012

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