Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 21:45Z
7ω² + 9ω + 3 = 0
∫₀^∞ e^(-t²) dt = √π / 2
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∑_{k=1}^{n} k = n(n+1)/2
det| 4 2 ; 6 5 | = 8
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3n² + 8n + 2 = 0
det| 9 6 ; 0 10 | = 90
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∑_{k=1}^{n} k = n(n+1)/2
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