Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 19:44Z
∂r/∂φ = 2r
det| 5 9 ; 7 6 | = -33
326K
e^{i\pi} + 1 = 0
det| 9 4 ; 1 10 | = 86
63K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
366K
\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
319K
det| 8 9 ; 4 9 | = 36
233K