Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:38Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
479K
3β² + 6β + 2 = 0
det| 3 1 ; 7 4 | = 5
276K
∫₀^∞ e^(-n²) dn = √π / 2
129K
F = ma
\lim_{β\to 0} \frac{\sin β}{β} = 1
191K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
1K
det| 4 8 ; 3 5 | = -4
153K
1x² + 5x + 7 = 0
det| 6 6 ; 3 7 | = 24
473K
det| 9 4 ; 1 10 | = 86
338K
∇²ψ = 0
det| 1 1 ; 5 2 | = -3
188K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
3φ² + 8φ + 6 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}