Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:07Z
4y² + 8y + 1 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
46K
2H₂ + O₂ → 2H₂O
det| 10 1 ; 1 11 | = 109
289K
det| 1 6 ; 3 2 | = -16
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 10 4 ; 2 11 | = 102
339K
\frac{7}{7} \sum_{i=1}^{n} i^{2}
358K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
399K
∑_{k=1}^{n} k = n(n+1)/2
11K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
97K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
338K