Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 02:12Z
∂r/∂t = 7r
∑_{k=1}^{n} k = n(n+1)/2
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\lim_{y\to 0} \frac{\sin y}{y} = 1
∫₀^∞ e^(-φ²) dφ = √π / 2
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det| 11 9 ; 5 12 | = 87
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iħ ∂ψ/∂t = Ĥψ
det| 5 6 ; 7 6 | = -12
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det| 7 4 ; 4 8 | = 40
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det| 12 8 ; 0 13 | = 156