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873

Centuries: 8th century - 9th century - 10th century

Decades: 820s 830s 840s 850s 860s - 870s - 880s 890s 900s 910s 920s

Years: 868 869 870 871 872 - 873 - 874 875 876 877 878


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Quadratic formula

... both of which are complex numbers. The two solutions are complex conjugates of each other. (In this case, the parabola does not intersect the x-axis at all.) Note that ...

 
 
 
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