Mathematics, 20.11.2021 04:00 jilliandantuma84
Shows that, x^2-4x-1=0
Answers: 2
![x = \frac{4± \sqrt{2}⋅ \sqrt{2} ⋅ \sqrt{5} }{2⋅1} \\ x = \frac{4± \sqrt[2]{5}}{2⋅1}](/tpl/images/2559/8850/5873b.png)
![x = \frac{4± \sqrt[2]{5}}{2⋅1} \\ x = \frac{4± \sqrt[2]{5} }{2⋅1}](/tpl/images/2559/8850/a8519.png)
![x = \frac{4 + \sqrt[2]{5} }{2⋅1} \\ x = \frac{4 - \sqrt[2]{5}}{2⋅1}](/tpl/images/2559/8850/e8ebf.png)
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