Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 17:06Z
\lim_{z\to 0} \frac{\sin z}{z} = 1
\oint_C \vec{F}\cdot d\vec{r} = 0
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∇ × E = −∂B/∂t
det| 7 4 ; 4 8 | = 40
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∑_{k=1}^{n} k = n(n+1)/2
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det| 8 2 ; 2 9 | = 68
PV = nRT
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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∂y/∂α = 1y
∂r/∂β = 3r
\oint_C \vec{F}\cdot d\vec{r} = 0