Math Dump /sym/fe5048
id=890719 · host=jp.commstar.world · 2026-09-01 21:05Z
∑_{k=1}^{n} k = n(n+1)/2
det| 4 1 ; 6 5 | = 14
402K
\lim_{n\to 0} \frac{\sin n}{n} = 1
det| 5 3 ; 7 6 | = 9
398K
ΔS ≥ 0
∫₀^∞ e^(-γ²) dγ = √π / 2
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 3 2 ; 7 4 | = -2
3α² + 9α + 6 = 0
det| 10 1 ; 4 11 | = 106
\binom{n}{k} = \frac{n!}{k!(n-k)!}
5x² + 3x + 1 = 0
d/dn [n^9] = 9n^8
d/dγ [γ^12] = 12γ^11