Dr Tom Crawford on Twitter: "Happy Pi Day all! Here's my tribute to the world's favourite mathematical constant - a geometrical representation of the Basel Problem. The lines represent the terms in
Another Math - π^2/6 ≈ 1.644934066848226436472 The “Basel Problem” asks for the exact sum of the reciprocal square series: 1 + 1/2^2 + 1/3^2 + 1/4^2 + 1/5^2 + ... + 1/(n-1)^2 +
![sequences and series - A Geometric Proof of $\zeta(2)=\frac{\pi^2}6$? (and other integer inputs for the Zeta) - Mathematics Stack Exchange sequences and series - A Geometric Proof of $\zeta(2)=\frac{\pi^2}6$? (and other integer inputs for the Zeta) - Mathematics Stack Exchange](https://i.stack.imgur.com/tC7aY.png)