Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 23:35Z
11t² + 7t + 4 = 0
E = mc²
det| 7 4 ; 4 8 | = 40
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 1 4 ; 3 2 | = -10
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∫₀^∞ e^(-φ²) dφ = √π / 2
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det| 5 6 ; 7 6 | = -12
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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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