Decades: 1280s 1290s 1300s 1310s 1320s - 1330s - 1340s 1350s 1360s 1370s 1380s
Years: 1333 1334 1335 1336 1337 - 1338 - 1339 1340 1341 1342 1343
Births
Deaths
... 4a2. We get <math>\left(x+\frac{b}{2a}\right)^2=\frac{-4ac+b^2}{4a^2}=\frac{b^2-4ac}{4a^2}.</math> Taking square roots of bo ...