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Two-dimensional linear differential system in the general solution given formula - Lie group analysis
= b = 0, then there is AD = BC, △ = 4 + B> 0, and the characteristic equation ( 15) roots. = ~ factory = k,puma shoes, = a calendar = a k,mbt cipo, generation ( ) was calculated that the general solution given by him . Note 21 989 years , MogcnsELa ~ en and amcSdenscds initial value problems are discussed (1 ),tory burch shoes, (2 ) the special case a = b = 0 using linear algebra knowledge, and after numerous changes Yuan for their general solution method is given Can not be used to discuss the issue in early gray (1 ),abercrombie outlet, (2 ) of the general dark en 3 stuffing , etc.: two custom points in the heap Kan Department of Jing 's ugly. Group analysis report regarding the formula f to 3. Directly verify the generation theorem of the general solution given formula . Should be noted that use of the conditions set by the corresponding coefficient .
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