Hi, all. While solving a second order linear differential equation why do we have to use linear independent but two solutions. For example, when solving y''- y = 0 , y(0) = 5 and y'(0) = 3 , we use e(adsbygoogle = window.adsbygoogle || []).push({}); ^{x}and e^{-x}and then we write y = c1*e^{x}+ c2*e^{-x}-

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# A question on second order linear equations

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