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Differential and Integral Equation




                    Notes          3.8 Review Questions

                                                                                              x
                                                                                                      x
                                   1.  Use the Rodrigue s formula to drive the Hermite polynomials  H  2 ( ) and H  3 ( )
                                   2.  Evaluate

                                                                          x
                                                                   x e  x 2 H  ( )H  ( )dx
                                                                              x
                                                                        2    3
                                   3.  Show that
                                                                  H 1 ( ) 2xH 0 ( )
                                                                     x
                                                                              x
                                   4.  For what value of  ,n H n (0) 0?
                                   5.  From generating function show that

                                                              H  ( ) 32x  5  160x  3  120x
                                                                 x
                                                                5
                                   Answers: Self  Assessment

                                   1.  Terminating

                                   2.  Finite
                                   3.  n
                                   4.  12
                                           x
                                   5.   H  2 ( ) (4x  2  2)

                                        dH  n ( )
                                            x
                                                      x
                                   6.          2nH  n  1 ( )
                                          dx
                                   8.  b
                                   9.   H 2 ( )  4x 2  2, H 3 ( ) 8x 3  12x
                                           x
                                                       x
                                   10.  4
                                   11.  Zero

                                   3.9 Further Readings




                                   Books  K. Yosida, Lectures on Differential and Integral Equations
                                          L.D. Landau and E.M. Lifshitz, Quantum Mechanics
















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