Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:05Z
∇²x = 0
\frac{8}{6} \sum_{i=1}^{n} i^{2}
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det| 4 8 ; 3 5 | = -4
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8n² + 3n + 6 = 0
∂x/∂α = 7x
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
∫₀^∞ e^(-α²) dα = √π / 2
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\lim_{β\to 0} \frac{\sin β}{β} = 1
det| 9 4 ; 1 10 | = 86
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AgNO₃ + NaCl → AgCl↓ + NaNO₃