Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:36Z
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
46K
∑_{k=1}^{n} k = n(n+1)/2
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
det| 11 4 ; 5 12 | = 112
278K
∂x/∂θ = 8x
CH₄ + 2O₂ → CO₂ + 2H₂O
177K
3φ² + 4φ + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
121K
∑_{k=1}^{n} k = n(n+1)/2
316K