Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:03Z
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
75K
3β² + 6β + 2 = 0
det| 3 1 ; 7 4 | = 5
276K
det| 5 6 ; 7 6 | = -12
129K
F = ma
\frac{8}{7} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
1K
1x² + 5x + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
473K
det| 7 4 ; 4 8 | = 40
338K
∇²ψ = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
188K
det| 7 2 ; 3 8 | = 50
416K
3φ² + 8φ + 6 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}