In episode 5 of MySchool Dream School (on Sunday 10 November at 17:00 on M-Net), the class learns about the mid point formula in analytical geometry. If you also want to master this problem, CLICK ...
(1) CHRISTIAN VON STAUDT'S “Beiträge zur Geometrie der Lage” was published so long ago as 1857; about the year 1871 Felix Klein wrote a series of papers emphasising the fact that it is possible to ...