Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 17:39Z
∑_{k=1}^{n} k = n(n+1)/2
8β² + 2β + 0 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
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\lim_{r\to 0} \frac{\sin r}{r} = 1
\lim_{β\to 0} \frac{\sin β}{β} = 1
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det| 12 1 ; 1 13 | = 155
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\frac{12}{6} \sum_{i=1}^{n} i^{2}
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N₂ + 3H₂ ⇌ 2NH₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
188K
∫₀^∞ e^(-θ²) dθ = √π / 2