Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:20Z
d/dn [n^4] = 4n^3
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
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\frac{2}{4} \sum_{i=1}^{n} i^{2}
det| 9 4 ; 1 10 | = 86
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det| 5 7 ; 5 6 | = -5
\lim_{β\to 0} \frac{\sin β}{β} = 1
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 3 1 ; 7 4 | = 5
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2r² + 6r + 7 = 0