Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 02:19Z
det| 1 4 ; 0 2 | = 2
∑_{k=1}^{n} k = n(n+1)/2
218K
∂ψ/∂φ = 2ψ
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 9 4 ; 1 10 | = 86
170K
∇²t = 0
∫₀^∞ e^(-r²) dr = √π / 2
∂r/∂n = 3r
det| 12 2 ; 5 13 | = 146
det| 2 5 ; 7 3 | = -29