Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 05:00Z
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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11y² + 4y + 3 = 0
d/dy [y^6] = 6y^5
det| 1 4 ; 3 2 | = -10
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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8ω² + 6ω + 2 = 0
\lim_{α\to 0} \frac{\sin α}{α} = 1
176K
det| 10 7 ; 3 11 | = 89
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\frac{4}{2} \sum_{i=1}^{n} i^{2}
det| 2 7 ; 5 3 | = -29
λ = h/p
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O