Why is pi here? And why is it squared? A geometric answer to the Basel problem

Transcript

Take 1 plus 1 fourth plus 1 ninth plus 1 sixteenth and so on where you're adding the inverses of the next square number What does this sum approach as you keep adding on more and more terms? Now this is a challenge that remained unsolved for 90 years after it was initially posed until finally it was Euler who found the answer Super surprisingly to ... Read More