Find the path length of y= (x^3)/(a^2) + (a^2)/(12x)
I know I'm supposed to be integrating ds = dx (1+ (dy/dx)^2)^1/2
but i'm having trouble simplifying the expression inside the square root..
thanks in advance!
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so the derivative is
that means you should then evaluate the integral
Last edited by mr fantastic; October 21st 2009 at 04:56 AM.
Reason: Made brackets large
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