Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 21:36Z
7ω² + 9ω + 3 = 0
∫₀^∞ e^(-θ²) dθ = √π / 2
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∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
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3n² + 8n + 2 = 0
det| 7 4 ; 4 8 | = 40
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∇²x = 0
det| 4 7 ; 2 5 | = 6
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