Operator Journal /sym/f43c60
id=1 · host=nl.mattivster.me · 2026-10-20 02:18Z
∫₀^∞ e^(-ψ²) dψ = √π / 2
∫₀^∞ e^(-z²) dz = √π / 2
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det| 2 8 ; 2 3 | = -10
∑_{k=1}^{n} k = n(n+1)/2
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PV = nRT
∑_{k=1}^{n} k = n(n+1)/2
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det| 12 8 ; 6 13 | = 108
det| 9 4 ; 1 10 | = 86
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