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Consider the Sturm-Louiville problem d2 y +2y 0 dr2 (0)0, y(3) 0. With n defined as taking values n 1, 2,3, ..., complete the

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Let y=e Then the auiliary equation be a trial solution m24 =0 Case l Let O Then m 0 Applyins y(3)-0 we get C3c2 0 y=c ApplyinThe coefficient determinant of the system get of equations and we -3- 3 --e -3F3 0 e 1 -1 . C,== Care Let 0 ty= qcos (A)+SinThe eigenvalues arR 2 An=(2n+ 2. nEZ 36 The eiaprfunctions are COS

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