Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 19:26Z
∂r/∂φ = 2r
\binom{n}{k} = \frac{n!}{k!(n-k)!}
198K
e^{i\pi} + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
155K
∑_{k=1}^{n} k = n(n+1)/2
63K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\lim_{α\to 0} \frac{\sin α}{α} = 1
366K
det| 5 3 ; 2 6 | = 24
201K
\oint_C \vec{F}\cdot d\vec{r} = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
λ = h/p
det| 9 4 ; 1 10 | = 86
233K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
412K