Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 02:03Z
∂r/∂t = 7r
\lim_{y\to 0} \frac{\sin y}{y} = 1
∫₀^∞ e^(-φ²) dφ = √π / 2
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det| 9 4 ; 1 10 | = 86
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iħ ∂ψ/∂t = Ĥψ
∫₀^∞ e^(-φ²) dφ = √π / 2
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det| 5 9 ; 0 6 | = 30
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det| 12 8 ; 0 13 | = 156
∑_{k=1}^{n} k = n(n+1)/2
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det| 10 9 ; 0 11 | = 110
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