Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 04:15Z
12r² + 6r + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
144K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
371K
4t² + 9t + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
259K
∇²ψ = 0
det| 12 9 ; 5 13 | = 111
234K
F = ma
det| 9 4 ; 1 10 | = 86
218K
det| 4 8 ; 7 5 | = -36
det| 10 2 ; 3 11 | = 104
70K
\lim_{α\to 0} \frac{\sin α}{α} = 1