Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 05:58Z
∂r/∂ψ = 3r
∫₀^∞ e^(-φ²) dφ = √π / 2
193K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
322K
∂ψ/∂φ = 4ψ
det| 2 7 ; 7 3 | = -43
362K
det| 10 3 ; 5 11 | = 95
∑_{k=1}^{n} k = n(n+1)/2
179K
∑_{k=1}^{n} k = n(n+1)/2
405K
\frac{1}{8} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
442K
\frac{3}{2} \sum_{i=1}^{n} i^{2}
42K