audrey05
audrey05 audrey05
  • 23-02-2018
  • Mathematics
contestada

Square roots question??

Square roots question class=

Respuesta :

18757191296
18757191296 18757191296
  • 23-02-2018

√5²+2*√5*√3+√3²

5+7.7+3

15.7

Answer Link
jcherry99
jcherry99 jcherry99
  • 23-02-2018
Two things you need to know.
a square root that is squared becomes the number under the root  sign
the general formula is a^2 + 2ab + b^2
sqrt(5)^2 + 2*sqrt(5)*sqrt(3) + sqrt(3)^2
5 + 2sqrt(15) + 3 
8 + 2sqrt(15) <<<<=====
Stop! 
Don't go any further. That is your answer.
Answer Link

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