Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 05:58Z
∂r/∂ψ = 3r
∑_{k=1}^{n} k = n(n+1)/2
445K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∂ψ/∂φ = 4ψ
∑_{k=1}^{n} k = n(n+1)/2
362K
det| 10 3 ; 5 11 | = 95
∑_{k=1}^{n} k = n(n+1)/2
179K
CH₄ + 2O₂ → CO₂ + 2H₂O
405K
\frac{1}{8} \sum_{i=1}^{n} i^{2}
F = G m₁m₂ / r²
det| 7 4 ; 4 8 | = 40
41K
3n² + 7n + 7 = 0
4z² + 2z + 4 = 0