Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:51Z
d/dn [n^4] = 4n^3
∑_{k=1}^{n} k = n(n+1)/2
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\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
det| 2 3 ; 5 3 | = -9
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iħ ∂ψ/∂t = Ĥψ
det| 11 4 ; 5 12 | = 112
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\frac{8}{7} \sum_{i=1}^{n} i^{2}
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\frac{2}{4} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
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det| 9 4 ; 1 10 | = 86
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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