Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 19:27Z
∂r/∂φ = 2r
det| 5 9 ; 0 6 | = 30
326K
e^{i\pi} + 1 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 10 4 ; 1 11 | = 106
201K
\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
319K
\binom{n}{k} = \frac{n!}{k!(n-k)!}