Racionalize o denominador da equação abaixo: 5 + 3 ²√5 / ²√5

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asked Dec 7, 2018 43.8k views

1 vote

Racionalize o denominador da equação abaixo:
5 + 3 ²√5 / ²√5

Mathematics
high-school

Ed Orsi asked

by Ed Orsi

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1 Answer

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I hope this helps

$\cfrac{5+3 √(5) }{ √(5) } =\cfrac{(5+3 √(5)) √(5) }{ √(5)* √(5) }= \cfrac{5 √(5)+15 }{5} = \cfrac{5 (√(5)+3) }{5} = √(5)+3$

Veda answered Dec 13, 2018

by Veda

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