Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 16:27Z
∇ × E = −∂B/∂t
∫₀^∞ e^(-z²) dz = √π / 2
479K
\frac{8}{9} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
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F = ma
det| 7 6 ; 1 8 | = 50
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10n² + 4n + 5 = 0
det| 5 9 ; 0 6 | = 30
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∑_{k=1}^{n} k = n(n+1)/2
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