mouraolm
mouraolm mouraolm
  • 20-06-2017
  • Mathematics
contestada

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

Respuesta :

Banabanana
Banabanana Banabanana
  • 20-06-2017
I hope this helps

[tex] \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 [/tex]
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