Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 19:40Z
∂r/∂φ = 2r
det| 8 6 ; 6 9 | = 36
326K
e^{i\pi} + 1 = 0
det| 9 4 ; 1 10 | = 86
63K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 3 1 ; 7 4 | = 5
176K
\lim_{β\to 0} \frac{\sin β}{β} = 1
319K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
359K
∑_{k=1}^{n} k = n(n+1)/2
263K