Page 358 - Schaum's Outline of Differential Equations
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ANSWERS TO SUPPLEMENTARY   PROBLEMS                         341



         CHAPTER   5


         5.24.  xy + x y  +y  = c 2                  5.25.  Not  exact
                  2 3
                                                             2
                                                     5.27. ^3;  + / = c 2
         5.28.  xy = c 2                             5.29.  Not  exact
                                                           2  C l
         5.30.  xy  sin x + y = c 2                  5.31. y  = 2

         5.32.  y = c 2t 2                           5.33.  Not  exact

         5.34.  ty-fy  = C 2






                                                     5.39.  Not  exact

         5.40.  t cos x + x  sin t = c 2




















         5.52.  I(x,  y) = l  (the equation is exact);














                                                     5.61.  No solution
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