Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 19:09Z
\frac{4}{2} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
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d/dt [t^8] = 8t^7
\frac{4}{6} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-t²) dt = √π / 2
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∑_{k=1}^{n} k = n(n+1)/2
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∫₀^∞ e^(-x²) dx = √π / 2
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∑_{k=1}^{n} k = n(n+1)/2
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det| 2 7 ; 7 3 | = -43
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