Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 16:36Z
∇ × E = −∂B/∂t
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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\frac{8}{9} \sum_{i=1}^{n} i^{2}
F = ma
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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det| 7 4 ; 4 8 | = 40
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10n² + 4n + 5 = 0
∑_{k=1}^{n} k = n(n+1)/2
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det| 3 1 ; 7 4 | = 5
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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