mohon di bantu yah dengan cara

5 - 2√3     2√2 - √3       5(2√2) -5√3 -(2√3)(2√2) + 2√3(√3)
----------  x -----------  =   ---------------------------------------------
2√2+√3     2√2 - √3                     4 x 2 - 3

                                    10√2 -5√3 -4√6 + 6
                                 = --------------------------
                                                  5
                                 = 2√2 - √3 - 4/5√6 + 6/5  ( C )