Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:06Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-x²) dx = √π / 2
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3x² + 3x + 6 = 0
det| 9 4 ; 1 10 | = 86
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∇²t = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
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det| 10 7 ; 3 11 | = 89
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∫₀^∞ e^(-t²) dt = √π / 2
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