Page 53 - DIGITAL BOOK MUHAMMAD AZWARDI NASUTION
P. 53

1
                 ) b  a =   16      r , =

                                            2



                                   1 ( a − r n  )
                  S =

                      n
                                   1−      r


                                                1
                               16     1 [ −   (     ) 10  ]


                  S =                            2

                     10
                                        1−      1

                                                2



                                                   1
                            =   32     1 [ −               ]

                                               1024



                                        1023              1023                    31
                            =   32    .              =                 =    31

                                        1024                 32                   32
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