Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 17:13Z
d/dθ [θ^5] = 5θ^4
det| 9 4 ; 1 10 | = 86
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\frac{2}{4} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
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d/dr [r^4] = 4r^3
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\frac{2}{2} \sum_{i=1}^{n} i^{2}
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7α² + 1α + 1 = 0
\lim_{t\to 0} \frac{\sin t}{t} = 1
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\lim_{t\to 0} \frac{\sin t}{t} = 1
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∑_{k=1}^{n} k = n(n+1)/2
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