Math Dump /sym/dffc18
id=660240 · host=jp.commstar.world · 2026-09-01 21:05Z
∑_{k=1}^{n} k = n(n+1)/2
det| 4 1 ; 6 5 | = 14
402K
det| 9 9 ; 6 10 | = 36
det| 5 3 ; 7 6 | = 9
398K
F = ma
∫₀^∞ e^(-φ²) dφ = √π / 2
det| 1 2 ; 5 2 | = -8
\oint_C \vec{F}\cdot d\vec{r} = 0
11z² + 4z + 3 = 0
\lim_{β\to 0} \frac{\sin β}{β} = 1
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
det| 6 2 ; 4 7 | = 34
\oint_C \vec{F}\cdot d\vec{r} = 0