Respuesta :

dashofnoa

Answer:

[tex]-11-5\sqrt{5}[/tex]

Step-by-step explanation:

Multiply both the numerator and denominator by [tex]2+\sqrt{5}[/tex] to get [tex]\frac{11+5\sqrt{5} }{-1}[/tex]. Divide By the negative 1 to get the answer

Hrishii

Step-by-step explanation:

[tex]3 + \sqrt{5} \div 2 - \sqrt{5} \\ \\ = 3 + \frac{ \sqrt{5} }{2} - \sqrt{5} \\ \\ = 3 + \frac{ \sqrt{5} - 2 \sqrt{5} }{2} \\ \\ = 3 + \frac{ - \sqrt{5} }{2} \\ = 3 - \frac{\sqrt{5} }{2} \\ = 3 - \frac{2.23606798}{2} \\ = 3 - 1.11803399 \\ = 1.88196601 \\ \approx1.88[/tex]

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