Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 19:28Z
∂r/∂φ = 2r
det| 7 9 ; 1 8 | = 47
198K
e^{i\pi} + 1 = 0
det| 12 1 ; 4 13 | = 152
155K
∑_{k=1}^{n} k = n(n+1)/2
63K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 4 ; 1 10 | = 86
201K
\oint_C \vec{F}\cdot d\vec{r} = 0