Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 22:39Z
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
384K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
385K
det| 11 9 ; 4 12 | = 96
∑_{k=1}^{n} k = n(n+1)/2
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∇ × E = −∂B/∂t
det| 7 6 ; 1 8 | = 50
57K
5z² + 5z + 0 = 0
\lim_{α\to 0} \frac{\sin α}{α} = 1
293K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
110K
det| 6 6 ; 3 7 | = 24
det| 7 4 ; 4 8 | = 40
300K
\oint_C \vec{F}\cdot d\vec{r} = 0
2H₂ + O₂ → 2H₂O