Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:03Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-φ²) dφ = √π / 2
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3β² + 6β + 2 = 0
∫₀^∞ e^(-x²) dx = √π / 2
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∑_{k=1}^{n} k = n(n+1)/2
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F = ma
\frac{8}{7} \sum_{i=1}^{n} i^{2}
det| 11 9 ; 5 12 | = 87
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