Solution Videos

solutions to the task

no 1 & 2

video

no 3

video

no 4 & 5

video

no 6

video

no 7

video

no 8

video

no 9

video

no 10

video

no 11

video

no 12

video

no 13b

video

no 14

video

The derivation of the pq-formula is at the bottom of this page