Visual Proof
Visual proof that: 6 ⋅ (1² + 2² + ... + n²) = (n) (n+1) (2n+1) 🎞️ Beau Janzen / reason4math https://x.com/Rainmaker1973/status/1989987217289408536 - Beautiful
Visual proof that: 6 ⋅ (1² + 2² + ... + n²) = (n) (n+1) (2n+1) 🎞️ Beau Janzen / reason4math https://x.com/Rainmaker1973/status/1989987217289408536 - Beautiful