Classical Mathematical Fallacies #2

This is a classical mathematical fallacies. At hindsight, everything looks perfectly fine. This is a rather difficult one as the error is actually hidden in the second last line! The mistake here [...]

Mathemusic!

So we shared a bit on mathmagic by Dr. Benjamin a week ago. He showed off some amazing arithmetic skills. So today, we shall share a bit of mathemusic. How wonderful can get! This is something [...]