Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:29Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
479K
3β² + 6β + 2 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
276K
det| 10 2 ; 1 11 | = 108
129K
F = ma
det| 7 9 ; 1 8 | = 47
191K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
det| 9 4 ; 1 10 | = 86
153K
1x² + 5x + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
473K
∇²ψ = 0
det| 11 4 ; 5 12 | = 112
188K
det| 7 2 ; 3 8 | = 50
416K
3φ² + 8φ + 6 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}