Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 17:20Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
75K
8β² + 2β + 0 = 0
det| 1 4 ; 3 2 | = -10
276K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
390K
\lim_{r\to 0} \frac{\sin r}{r} = 1
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
153K
det| 12 1 ; 1 13 | = 155
∫₀^∞ e^(-φ²) dφ = √π / 2
473K
\lim_{t\to 0} \frac{\sin t}{t} = 1
N₂ + 3H₂ ⇌ 2NH₃