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11-09-2022
Mathematics

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Find the following given the function f(x)=

Find the following given the function fx class=

Respuesta :

Medunno13 Medunno13

11-09-2022

Answer:

[tex]-\frac{3+\sqrt{5}}{4}[/tex]

Step-by-step explanation:

[tex]\sqrt{20} \leq 5 \implies f(\sqrt{20})=\frac{2}{\sqrt{20}-6} \\ \\ =\frac{1}{\sqrt{5}-3} \\ \\ =\frac{\sqrt{5}+3}{-4} \\ \\ =-\frac{3+\sqrt{5}}{4}[/tex]

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