Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 18:06Z
9n² + 9n + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-φ²) dφ = √π / 2
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det| 12 9 ; 5 13 | = 111
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∫₀^∞ e^(-t²) dt = √π / 2
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det| 4 8 ; 3 5 | = -4
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