Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:31Z
∑_{k=1}^{n} k = n(n+1)/2
det| 5 9 ; 7 6 | = -33
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\lim_{t\to 0} \frac{\sin t}{t} = 1
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3β² + 6β + 2 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
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F = ma
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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\frac{8}{7} \sum_{i=1}^{n} i^{2}
1x² + 5x + 7 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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