Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-18 21:43Z
d/dx [x^11] = 11x^10
∑_{k=1}^{n} k = n(n+1)/2
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\lim_{t\to 0} \frac{\sin t}{t} = 1
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4r² + 1r + 1 = 0
det| 1 1 ; 5 2 | = -3
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∂φ/∂θ = 6φ
det| 9 4 ; 1 10 | = 86
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det| 2 1 ; 7 3 | = -1
\oint_C \vec{F}\cdot d\vec{r} = 0
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\frac{10}{1} \sum_{i=1}^{n} i^{2}
det| 4 6 ; 4 5 | = -4
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O