Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 18:25Z
∇²α = 0
det| 5 6 ; 2 6 | = 18
198K
6φ² + 8φ + 4 = 0
∂φ/∂φ = 1φ
∑_{k=1}^{n} k = n(n+1)/2
366K
det| 4 8 ; 1 5 | = 12
det| 9 4 ; 1 10 | = 86
319K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
7φ² + 2φ + 5 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∇²r = 0