Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 17:22Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
75K
8β² + 2β + 0 = 0
∫₀^∞ e^(-φ²) dφ = √π / 2
129K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{r\to 0} \frac{\sin r}{r} = 1
CH₄ + 2O₂ → CO₂ + 2H₂O
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det| 11 4 ; 5 12 | = 112
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det| 12 1 ; 1 13 | = 155
det| 9 4 ; 1 10 | = 86
473K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
338K
d/dy [y^11] = 11y^10
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