Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:02Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
479K
3β² + 6β + 2 = 0
det| 9 4 ; 1 10 | = 86
276K
F = ma
∫₀^∞ e^(-x²) dx = √π / 2
390K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
1x² + 5x + 7 = 0
∫₀^∞ e^(-φ²) dφ = √π / 2
473K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
338K
∇²ψ = 0