Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 23:13Z
∇²α = 0
det| 3 1 ; 7 4 | = 5
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e^{i\pi} + 1 = 0
det| 7 4 ; 4 8 | = 40
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d/dψ [ψ^7] = 7ψ^6
det| 11 9 ; 5 12 | = 87
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∫₀^∞ e^(-t²) dt = √π / 2
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∑_{k=1}^{n} k = n(n+1)/2
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