Math Dump /sym/155a41
id=56191 · host=jp.commstar.world · 2026-09-01 21:05Z
9ψ² + 4ψ + 7 = 0
det| 4 1 ; 6 5 | = 14
402K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 5 3 ; 7 6 | = 9
398K
det| 7 4 ; 7 8 | = 28
\frac{2}{1} \sum_{i=1}^{n} i^{2}
E = mc²
ω = 2πf
d/dz [z^5] = 5z^4
∇²z = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
10r² + 2r + 4 = 0
∇²γ = 0
∑_{k=1}^{n} k = n(n+1)/2