Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 04:17Z
12r² + 6r + 1 = 0
det| 2 7 ; 7 3 | = -43
168K
det| 9 5 ; 1 10 | = 85
446K
∑_{k=1}^{n} k = n(n+1)/2
4t² + 9t + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
86K
∑_{k=1}^{n} k = n(n+1)/2
224K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
234K
det| 9 4 ; 1 10 | = 86
354K