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Amanda [17]
3 years ago
15

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

Mathematics
1 answer:
GrogVix [38]3 years ago
4 0
I hope this helps

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