Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 20:29Z
9y² + 1y + 4 = 0
det| 9 4 ; 1 10 | = 86
40K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 4 4 ; 5 5 | = 0
138K
∫₀^∞ e^(-t²) dt = √π / 2
138K
\frac{7}{8} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
112K
∑_{k=1}^{n} k = n(n+1)/2
247K
det| 2 2 ; 4 3 | = -2
417K