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Exact differential equation

11 bytes added, 18:55, 2 August 2010
An '''exact differential equation''' is a differential equation that can be solved in the following manner.
 
Suppose you are given an equation of the form:
:(1)<math>M(t,y) + N(t,y)y' = 0\,</math> or <math>M(t,y) dt + N(t,y) dy = 0\,</math>(equation 1)