Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:02Z
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
∫₀^∞ e^(-x²) dx = √π / 2
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iħ ∂ψ/∂t = Ĥψ
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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\frac{2}{4} \sum_{i=1}^{n} i^{2}
det| 5 6 ; 2 6 | = 18
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det| 9 6 ; 0 10 | = 90
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det| 8 9 ; 4 9 | = 36
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