Mathologer

Heron’s formula: What is the hidden meaning of 1 + 2 + 3 = 1 x 2 x 3 ? (2022x4)

: 14, 2022

Today's video is about Heron's famous formula and Brahmagupta's and Bretschneider's extensions of this formula and what these formulas have to do with that curious identity 1+2+3=1x2x3.