Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 02:17Z
∂r/∂t = 7r
\lim_{y\to 0} \frac{\sin y}{y} = 1
det| 6 6 ; 3 7 | = 24
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iħ ∂ψ/∂t = Ĥψ
det| 4 6 ; 4 5 | = -4
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det| 12 8 ; 0 13 | = 156
∑_{k=1}^{n} k = n(n+1)/2
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det| 5 3 ; 7 6 | = 9
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