Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 16:11Z
∇ × E = −∂B/∂t
∫₀^∞ e^(-φ²) dφ = √π / 2
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\frac{8}{9} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
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F = ma
10n² + 4n + 5 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{t\to 0} \frac{\sin t}{t} = 1
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