Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:28Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
468K
iħ ∂ψ/∂t = Ĥψ
det| 7 4 ; 4 8 | = 40
278K
3r² + 6r + 7 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
339K
∑_{k=1}^{n} k = n(n+1)/2
121K
det| 2 8 ; 7 3 | = -50
399K
∑_{k=1}^{n} k = n(n+1)/2
316K