Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 14:06Z
∫₀^∞ e^(-ψ²) dψ = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
479K
e^{i\pi} + 1 = 0
2H₂ + O₂ → 2H₂O
det| 9 4 ; 1 10 | = 86
191K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 12 1 ; 4 13 | = 152
1K
\oint_C \vec{F}\cdot d\vec{r} = 0