Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 18:27Z
ΔS ≥ 0
det| 3 7 ; 2 4 | = -2
46K
det| 9 4 ; 1 10 | = 86
468K
\oint_C \vec{F}\cdot d\vec{r} = 0
d/dθ [θ^4] = 4θ^3
∑_{k=1}^{n} k = n(n+1)/2
339K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
177K
det| 5 5 ; 7 6 | = -5
∑_{k=1}^{n} k = n(n+1)/2
358K
\oint_C \vec{F}\cdot d\vec{r} = 0
∫₀^∞ e^(-ω²) dω = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
387K