Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 17:44Z
iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
428K
∑_{k=1}^{n} k = n(n+1)/2
238K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
270K
ΔS ≥ 0
det| 5 2 ; 3 6 | = 24
det| 6 2 ; 4 7 | = 34
det| 9 4 ; 1 10 | = 86
133K
\oint_C \vec{F}\cdot d\vec{r} = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
54K
det| 7 2 ; 7 8 | = 42