Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 05:37Z
∂r/∂ψ = 3r
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
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∂ψ/∂φ = 4ψ
\frac{11}{8} \sum_{i=1}^{n} i^{2}
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det| 10 3 ; 5 11 | = 95
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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∫₀^∞ e^(-y²) dy = √π / 2
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