Alfred, Graf von Schlieffen, (1833 - 1913), German field marshal and strategist, served as Chief of the German ImperialGeneral Staff[?] from 1891 to 1905. His name lived on in the meticulously conceived Schlieffen Plan for the defeat of France.
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If the discriminant is negative, then there are two different solutions x, both of which are complex numbers. The two solutions are ...