Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-08-20 00:08Z
F = G m₁m₂ / r²
det| 2 9 ; 2 3 | = -12
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5x² + 6x + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
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∫₀^∞ e^(-z²) dz = √π / 2
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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7γ² + 4γ + 4 = 0
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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∑_{k=1}^{n} k = n(n+1)/2
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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