Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 21:56Z
N₂ + 3H₂ ⇌ 2NH₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
384K
det| 7 4 ; 4 8 | = 40
385K
9γ² + 6γ + 1 = 0
det| 9 8 ; 3 10 | = 66
163K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
305K
2y² + 8y + 6 = 0
\lim_{α\to 0} \frac{\sin α}{α} = 1
110K
\lim_{x\to 0} \frac{\sin x}{x} = 1
∑_{k=1}^{n} k = n(n+1)/2
368K