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(√3 - √5 / √3 + √5)x (√3 - √5/√3 - √5)
(√3-√5)(√3-√5)/(√3+√5)(√3-√5)
(3 - √15 - √15 + 5) / (3 - √15 + √15 - 5)
( 8 - 2√15) / (-2)
= -2(-4 + √15) / (-2)
= - 4 + √15
semogamembantu♣