Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:05Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
det| 5 5 ; 3 6 | = 15
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\frac{10}{7} \sum_{i=1}^{n} i^{2}
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
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iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 4 5 ; 1 5 | = 15
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det| 6 7 ; 2 7 | = 28
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\oint_C \vec{F}\cdot d\vec{r} = 0
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
396K