Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:01Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
479K
3β² + 6β + 2 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
276K
det| 9 4 ; 1 10 | = 86
129K
F = ma
det| 4 6 ; 4 5 | = -4
191K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
1K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
153K
1x² + 5x + 7 = 0
det| 4 8 ; 1 5 | = 12
∇²ψ = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
3φ² + 8φ + 6 = 0