Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:07Z
∇²x = 0
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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8n² + 3n + 6 = 0
∂x/∂α = 7x
\oint_C \vec{F}\cdot d\vec{r} = 0
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\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
\lim_{β\to 0} \frac{\sin β}{β} = 1
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
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det| 9 4 ; 1 10 | = 86
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