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fJekJh^1 L cbB

                                                                                                  B'N







                                                                                           T[Zso


                                            1         1 
                T[dkjoD 13H i/eo fx ( )=  x 3  −  , sK  f      dk wkB eZY'.
                                            3
                                           x         x 
                jZbL







                                                                                         T[Zso




                                          x              
                                                     a
                                                            b
                                                  f
                T[dkjoD 14H i/eo  fx ( )=     sK     − f     dk wkB gsk eo'.
                                         2
                                                     b
                                        x + 1           
                                                            a

                                                    x
                jZbL  ∵                          ( )=fx
                                                   x 2  +1






                                                                                           T[Zso


                                            1
                                                         f
                T[dkjoD 15H i/eo fx ( )=  x 3  −  , sK  fx( )+ ( −x)  dk wkB gsk eo'.
                                            3
                                           x
                                                          1
                                                       3
                jZbL ∵                               ( )=fx  x −
                                                         x 3




                                                                                           T[Zso



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