Jawabanmu

2014-08-13T17:40:08+07:00
(√3-√5 ÷ √3+√5) × (√3-√5 ÷ √3-√5)
= (3-2√15+5) ÷ (3-5)
= (8-2√15) ÷ (-2)
= - (4-√15)