Donna70 Donna70
  • 23-06-2019
  • Mathematics
contestada

Which of the following is the conjugate of the expression below when x> -3?
7- square root of x+3

Respuesta :

Hulkk Hulkk
  • 23-06-2019

Answer:

[tex]7+\sqrt{x+3}[/tex]

Step-by-step explanation:

The conjugate of a radical expression is obtained by changing the sign of the middle term.

The conjugate of [tex]a+\sqrt{b}[/tex] is simply [tex]a-\sqrt{b}[/tex]

Therefore, to obtain the conjugate of the given expression we simply shall be  changing the negative sign to positive;

The conjugate of [tex]7-\sqrt{x+3}[/tex] is simply;

[tex]7+\sqrt{x+3}[/tex]

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