Page 390 - Schaum's Outline of Differential Equations
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ANSWERS TO SUPPLEMENTARY PROBLEMS                           373



         23.36.  See Fig.  23-9.                     23.37.  See Fig. 23-10.



















                           Fig.  23-!                                  Fig.  23-10.


         23.38.  u(x)-u(x-c)                         23.39.  See Fig. 23-11.


















                                                                       Fig.  23-11.



         23.40.  See Fig. 23-12.                     23.41.

























                           Fig.  23-12.
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