Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:34Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-x²) dx = √π / 2
75K
∫₀^∞ e^(-φ²) dφ = √π / 2
479K
3β² + 6β + 2 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
129K
F = ma
det| 9 4 ; 1 10 | = 86
191K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
1K
1x² + 5x + 7 = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
473K
det| 4 8 ; 1 5 | = 12
∇²ψ = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
3φ² + 8φ + 6 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}