Math Dump /sym/a5487d
id=907990 · host=jp.commstar.world · 2026-09-01 21:06Z
∑_{k=1}^{n} k = n(n+1)/2
det| 4 1 ; 6 5 | = 14
402K
7α² + 3α + 2 = 0
det| 5 3 ; 7 6 | = 9
398K
λ = h/p
∇²n = 0
det| 4 4 ; 6 5 | = -4
\lim_{r\to 0} \frac{\sin r}{r} = 1
12n² + 9n + 1 = 0
det| 5 2 ; 4 6 | = 22
\binom{n}{k} = \frac{n!}{k!(n-k)!}
4α² + 7α + 5 = 0
CaCO₃ → CaO + CO₂
∂r/∂φ = 5r