Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 14:30Z
∫₀^∞ e^(-ψ²) dψ = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\lim_{β\to 0} \frac{\sin β}{β} = 1
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e^{i\pi} + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
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\frac{2}{2} \sum_{i=1}^{n} i^{2}
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2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
d/dy [y^11] = 11y^10
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det| 7 4 ; 4 8 | = 40
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