fifilee790 fifilee790
  • 26-04-2019
  • Mathematics
contestada

Please help me on this one

Please help me on this one class=

Respuesta :

Gasaqui
Gasaqui Gasaqui
  • 26-04-2019

Answer:

option a

step-by-step explanation:

To rationalize the expresion we need to multiply and divide the expression by the conjugate of the denominator as follows

sqrt(9) / (sqrt(3) + sqrt(x)) = sqrt(9) ((sqrt(3) - sqrt(x)) / ((sqrt(3) + sqrt(x))(sqrt(3) - sqrt(x)))

3((sqrt(3) - sqrt(x)) / (3 - x)

So the result es option a:

(3sqrt(3) - 3sqrt(x)) / (3 - x)

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