Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:38Z
∑_{k=1}^{n} k = n(n+1)/2
det| 10 2 ; 1 11 | = 108
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3β² + 6β + 2 = 0
det| 1 1 ; 5 2 | = -3
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det| 3 7 ; 2 4 | = -2
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F = ma
det| 11 5 ; 0 12 | = 132
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\frac{8}{7} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-φ²) dφ = √π / 2
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