Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 18:00Z
9n² + 9n + 6 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 7 ; 4 8 | = 28
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\lim_{α\to 0} \frac{\sin α}{α} = 1
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ΔS ≥ 0
det| 2 4 ; 4 3 | = -10
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\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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\frac{2}{2} \sum_{i=1}^{n} i^{2}
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