Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 20:24Z
d/dω [ω^4] = 4ω^3
\frac{8}{6} \sum_{i=1}^{n} i^{2}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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8z² + 6z + 5 = 0
det| 2 8 ; 7 3 | = -50
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∂ψ/∂r = 2ψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 2 2 ; 5 3 | = -4
∑_{k=1}^{n} k = n(n+1)/2
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det| 5 6 ; 1 6 | = 24
\oint_C \vec{F}\cdot d\vec{r} = 0
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AgNO₃ + NaCl → AgCl↓ + NaNO₃