Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:54Z
∑_{k=1}^{n} k = n(n+1)/2
det| 4 7 ; 2 5 | = 6
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3x² + 3x + 6 = 0
∇²t = 0
∑_{k=1}^{n} k = n(n+1)/2
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7z² + 2z + 0 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
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det| 4 2 ; 5 5 | = 10
∫₀^∞ e^(-ψ²) dψ = √π / 2
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