Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 04:37Z
12r² + 6r + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
168K
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
144K
4t² + 9t + 6 = 0
det| 7 6 ; 1 8 | = 50
224K
∑_{k=1}^{n} k = n(n+1)/2
234K