Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 17:40Z
∑_{k=1}^{n} k = n(n+1)/2
det| 4 6 ; 4 5 | = -4
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8β² + 2β + 0 = 0
det| 3 1 ; 7 4 | = 5
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∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-φ²) dφ = √π / 2
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\lim_{r\to 0} \frac{\sin r}{r} = 1
det| 12 1 ; 1 13 | = 155
N₂ + 3H₂ ⇌ 2NH₃
det| 7 4 ; 4 8 | = 40
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