Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 18:43Z
9n² + 9n + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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\oint_C \vec{F}\cdot d\vec{r} = 0
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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