1729 SANGAM

    Sol:                                 Here limit of        changing the orders,                   changing the limit PDF COPY

  Sol:                                                          Limit change                           PDF COPY

Exercise  Test for exactness and solve the following differential equations.  1 cross check    2 CROSS CHECK 3 CROSS CHECK 4 CROSS CHECK 5 CROSS CHECK 6 CROSS CHECK 7 CROSS CHECK

 EXAMPLE SUM 1  EXAMPLE SUM 2  EXAMPLE SUM 3  EXAMPLE SUM 4