Page 79 - LAPLACE TRANSFORM
P. 79

  ℎ      (   + 3) = 0


                                     s = −3;     =   (   +   ) +   (  )

                                                                2 =   (−3)


                                                 −  
                                                                   =
                                                    



                                                2       2
                               A       B        3     −  3
                       I(s) =    +           =    +
                               s    (s + 3)             + 3

                              2 1      2     1
                                =  ( ) −   (      )
                              3        3 (   + 3)




                       Step 4: Apply the inverse Laplace transform to produce the solution to the differential

                       equation in the time-domain




                                    
                         (  ) =  −     −              
                                    






                               = 0.2               ;

                              2   2
                         (  ) = −     −3          s
                              3   3
                             2    2
                               =  −     −3(0.2)          
                             3    3


                               = 0.667 − 0.366

                               =   .                










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