Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:13Z
∑_{k=1}^{n} k = n(n+1)/2
det| 4 8 ; 3 5 | = -4
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3β² + 6β + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
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F = ma
det| 7 4 ; 4 8 | = 40
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\frac{8}{7} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-φ²) dφ = √π / 2
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