Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 21:13Z
N₂ + 3H₂ ⇌ 2NH₃
9γ² + 6γ + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
163K
∑_{k=1}^{n} k = n(n+1)/2
259K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 10 3 ; 4 11 | = 98
305K
det| 9 4 ; 1 10 | = 86
57K
2y² + 8y + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
293K
\lim_{x\to 0} \frac{\sin x}{x} = 1
det| 12 9 ; 5 13 | = 111
300K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
34K
∫₀^∞ e^(-r²) dr = √π / 2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
354K