Page 12 - Modul Media Pembelajaran Berbasis TIK (AMANDA PUSPITA) (Real)_Neat
P. 12

Jawab :



                         a. 4, 6, 8, 10, ….

                                 =  4  =  2  +  2  = (2 × 1) +  2
                              1
                                  =  6  =  4  +  2  = (2 × 2) +  2
                              2

                                  =  8  =  6  +  2  = (2 × 3) +  2
                              3

                                  =  10  =  8  +  2  = (2 × 4) +  2
                              4
                                                … .


                                 = (2 ×   ) +  2  =  2    +  2  →             = 2    +  2
                                                                               
                                 

                         b.   1, 9, 25, 49, … .

                                   =  1  =  12  = ((2 × 1) –  1)2
                                 1
                                   =  9  =  32  = ((2  × 2) –  1)2
                                2

                                    =  25  =  52  = ((2 × 3) –  1)2
                                3

                                   =  16  =  72  = ((2 × 4) –  1)2
                                4
                                                 … .

                                                                                       2
                                            = (2    −  1)2  →            = (2   − 1)
                                                                         






























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