5-2root3/5+2root3 by rationalizing the denominator
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5-root3/5+root3
= 5-root3/5+root3 × 5-root3/5-root3
= (5-root3)^2/(5)^2-(root3)^2
= 25-10root3+3/25-3
= 28-10Root3/22
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