Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:09Z
∇²x = 0
det| 7 7 ; 4 8 | = 28
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\frac{4}{9} \sum_{i=1}^{n} i^{2}
446K
8n² + 3n + 6 = 0
∫₀^∞ e^(-θ²) dθ = √π / 2
144K
det| 1 4 ; 3 2 | = -10
371K
∂x/∂α = 7x
det| 9 4 ; 1 10 | = 86
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\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
det| 2 3 ; 5 3 | = -9
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\lim_{β\to 0} \frac{\sin β}{β} = 1
∑_{k=1}^{n} k = n(n+1)/2
354K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∇²n = 0
5ψ² + 5ψ + 0 = 0
det| 8 6 ; 6 9 | = 36