Bentuk sederhana dari (Akar 3 + akar 7)(akar 3 - akar 7) / 2 akar 5 + akar 2) yg tw. Bantuin ya

(√3 + √7)(√3 - √7)    (2√5 - √2)     (3 - 7) (2√5 - √2)
----------------------- x -------------- = ----------------------
     (2√5 + √2)           (2√5 - √2)         4 x 5 - 2

                                                    - 4(2√5 - √2)
                                                 = ------------------
                                                          18
                                                 = - 2/9 (2√5 - √2)