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![[Post New]](/templates/default/images/icon_minipost_new.gif) 4 Sep 2008 21:45:29 IST
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find the n th derivative of the following in terms of r and theta
y = tan-1(2x / 1- x2)
pls help Urgently rq.
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![[Post New]](/templates/default/images/icon_minipost_new.gif) 5 Sep 2008 21:11:06 IST
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apply leibniz's rule
it's enough
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