Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 19:33Z
∂r/∂φ = 2r
∑_{k=1}^{n} k = n(n+1)/2
198K
e^{i\pi} + 1 = 0
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
155K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 4 ; 1 10 | = 86
366K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 5 3 ; 2 6 | = 24
176K
det| 4 4 ; 5 5 | = 0
319K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 2 5 ; 4 3 | = -14