Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 18:34Z
∇²α = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
198K
6φ² + 8φ + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
155K
∂φ/∂φ = 1φ
∑_{k=1}^{n} k = n(n+1)/2
366K
det| 4 8 ; 1 5 | = 12
\lim_{β\to 0} \frac{\sin β}{β} = 1
176K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
det| 9 4 ; 1 10 | = 86
359K
∑_{k=1}^{n} k = n(n+1)/2
263K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∇²r = 0