Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 16:34Z
7φ² + 4φ + 5 = 0
∫₀^∞ e^(-x²) dx = √π / 2
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E = mc²
e^{i\pi} + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
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det| 7 4 ; 4 8 | = 40
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det| 11 5 ; 0 12 | = 132
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det| 4 4 ; 5 5 | = 0
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