Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 20:07Z
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
∑_{k=1}^{n} k = n(n+1)/2
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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det| 4 7 ; 5 5 | = -15
det| 7 2 ; 7 8 | = 42
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CaCO₃ → CaO + CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
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d/dω [ω^8] = 8ω^7
det| 9 4 ; 1 10 | = 86
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d/dy [y^11] = 11y^10
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