Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 05:15Z
∂r/∂ψ = 3r
det| 2 7 ; 7 3 | = -43
445K
det| 7 4 ; 4 8 | = 40
193K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
235K
∂ψ/∂φ = 4ψ
det| 11 9 ; 5 12 | = 87
212K
∑_{k=1}^{n} k = n(n+1)/2
362K
det| 2 7 ; 7 3 | = -43
405K