Bentuk seerhana dari 5 akar 2 per akar 3 tambah akar 5

    5√2         √3 - √5           5√6  - 5√10
----------  x  -------------  =  -------------------------
√3 + √5       √3 - √5        √3 (√3) - √5(√5)

                                         5 ( √6 - √10 )
                                    =  -------------------
                                            3  -  5

                                        5 ( √6 - √10 )
                                    =  -----------------
                                              - 2
                               
                                    = - 5/2 ( √6 - √10 )