Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 19:27Z
∂r/∂φ = 2r
∑_{k=1}^{n} k = n(n+1)/2
326K
det| 5 6 ; 2 6 | = 18
198K
e^{i\pi} + 1 = 0
det| 7 4 ; 4 8 | = 40
155K
∫₀^∞ e^(-t²) dt = √π / 2
63K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 4 4 ; 5 5 | = 0
201K
\oint_C \vec{F}\cdot d\vec{r} = 0