If y1 and y2 are linearly independent solutions of the associated homogeneous DE for y
Chapter 8, Problem 34(choose chapter or problem)
If y1 and y2 are linearly independent solutions of the associated homogeneous DE for y P(x)y Q(x)y f(x), show in the case of a nonhomogeneous linear second-order DE that (9) reduces to the form of variation of parameters discussed in Section 4.6. Co
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