Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 23:10Z
\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
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∫₀^∞ e^(-r²) dr = √π / 2
det| 9 4 ; 1 10 | = 86
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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7z² + 5z + 1 = 0
\frac{11}{8} \sum_{i=1}^{n} i^{2}
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∑_{k=1}^{n} k = n(n+1)/2
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
112K
∑_{k=1}^{n} k = n(n+1)/2
247K