Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 19:41Z
∂r/∂φ = 2r
det| 1 4 ; 0 2 | = 2
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e^{i\pi} + 1 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
366K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 9 4 ; 1 10 | = 86
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 2 ; 7 8 | = 42
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λ = h/p
det| 5 3 ; 2 6 | = 24
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\lim_{t\to 0} \frac{\sin t}{t} = 1
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e^{i\pi} + 1 = 0