Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 02:17Z
det| 1 4 ; 0 2 | = 2
∂ψ/∂φ = 2ψ
∑_{k=1}^{n} k = n(n+1)/2
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\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
299K
∇²t = 0
det| 5 7 ; 2 6 | = 16
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∫₀^∞ e^(-r²) dr = √π / 2
det| 7 4 ; 4 8 | = 40
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