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252

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

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

Years: 247 248 249 250 251 - 252 - 253 254 255 256 257


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Quadratic formula

... formula is derived by the method of completing the square[?]. <math>ax^2+bx+c=0</math> Dividing our quadratic equation by a, w ...

 
 
 
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