Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 19:43Z
∂r/∂φ = 2r
\lim_{β\to 0} \frac{\sin β}{β} = 1
326K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
198K
e^{i\pi} + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
155K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
366K
\oint_C \vec{F}\cdot d\vec{r} = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
263K
det| 7 4 ; 4 8 | = 40
233K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
412K