How can an equation containing only real numbers have a complex answer. – math.stackexchange.com

How can an equation containing only real numbers have a complex answer. – math.stackexchange.com

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Solving this equation $$x = 1-\frac{2}{1-\frac{2}{1-\frac{2}{\cdots}}}$$ Sub in x $$x=1-\frac{2}{x}$$ $$x^2=x-2$$ $$x^2-x=-2$$ Solve through completing the square ...

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