Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-19 20:22Z

∑_{k=1}^{n} k = n(n+1)/2

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

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iħ ∂ψ/∂t = Ĥψ

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det| 8 9 ; 3 9 | = 45

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

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10ψ² + 5ψ + 0 = 0

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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

F = G m₁m₂ / r²

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\oint_C \vec{F}\cdot d\vec{r} = 0

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det| 2 3 ; 3 3 | = -3

det| 9 4 ; 1 10 | = 86

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∑_{k=1}^{n} k = n(n+1)/2

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\binom{n}{k} = \frac{n!}{k!(n-k)!}