Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 22:44Z
det| 5 1 ; 4 6 | = 26
∑_{k=1}^{n} k = n(n+1)/2
46K
det| 9 5 ; 1 10 | = 85
468K
∑_{k=1}^{n} k = n(n+1)/2
det| 5 2 ; 3 6 | = 24
289K
det| 7 4 ; 4 8 | = 40
278K
12φ² + 4φ + 4 = 0