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May 29, 2015

Homework Help: Math

Posted by Ifi on Saturday, October 27, 2012 at 9:56pm.

dx/dy cos x sin y + x^5 = 11
i got dx/dy= (-cos x cos y)/ (-sin x sin y +5x^4)

But the wolfram got
(1- cos x cos y)/(5x^4-sin y sin x), where is the 1 come from?

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