Decades: 1260s 1270s 1280s 1290s 1300s - 1310s - 1320s 1330s 1340s 1350s 1360s
Years: 1305 1306 1307 1308 1309 - 1310 - 1311 1312 1313 1314 1315
Births
Deaths
... then there are two different solutions x, both of which are real. (Geometrically, this means that the parabola intersects the x-axis in two points.) If the discriminant ...