Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 16:31Z
7φ² + 4φ + 5 = 0
E = mc²
e^{i\pi} + 1 = 0
det| 5 9 ; 0 6 | = 30
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det| 7 9 ; 1 8 | = 47
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det| 9 4 ; 1 10 | = 86
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∑_{k=1}^{n} k = n(n+1)/2
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∫₀^∞ e^(-t²) dt = √π / 2
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∑_{k=1}^{n} k = n(n+1)/2
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