Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 19:14Z
\frac{4}{2} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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d/dt [t^8] = 8t^7
\lim_{t\to 0} \frac{\sin t}{t} = 1
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\frac{4}{6} \sum_{i=1}^{n} i^{2}
d/dω [ω^1] = 1ω^0
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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∫₀^∞ e^(-β²) dβ = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
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