1.NounFor a nonhomogeneous linear differential equation
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{\displaystyle a_{n}y^{(n)}+a_{n-1}y^{(n-1)}+\cdots +a_{1}y'+a_{0}y=g(x)}
, the general solution of the associated homogenous linear differential equation
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{\displaystyle a_{n}y^{(n)}+a_{n-1}y^{(n-1)}+\cdots +a_{1}y'+a_{0}y=0}
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