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250s

Centuries: 2nd century - 3rd century - 4th century

Decades: 200s - 210s - 220s - 230s - 240s - 250s - 260s - 270s - 280s - 290s - 300s

Years: 250 251 252 253 254 255 256 257 258 259


Events:



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Quadratic formula

... the parabola intersects the x-axis in two points.) If the discriminant is negative, then there are two different solutions x, both of which are complex numbers. The ...

 
 
 
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