Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:40Z
d/dn [n^4] = 4n^3
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
\lim_{r\to 0} \frac{\sin r}{r} = 1
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iħ ∂ψ/∂t = Ĥψ
∫₀^∞ e^(-n²) dn = √π / 2
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det| 10 7 ; 3 11 | = 89
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\frac{2}{4} \sum_{i=1}^{n} i^{2}
det| 5 7 ; 5 6 | = -5
∑_{k=1}^{n} k = n(n+1)/2
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det| 7 9 ; 1 8 | = 47
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
\frac{3}{2} \sum_{i=1}^{n} i^{2}
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