Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 06:05Z
det| 8 1 ; 6 9 | = 66
\binom{n}{k} = \frac{n!}{k!(n-k)!}
52K
∑_{k=1}^{n} k = n(n+1)/2
det| 5 6 ; 1 6 | = 24
90K
∑_{k=1}^{n} k = n(n+1)/2
91K
1n² + 9n + 0 = 0
F = ma
d/dω [ω^6] = 6ω^5
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
262K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
196K
∫₀^∞ e^(-n²) dn = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
det| 9 4 ; 1 10 | = 86
299K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 5 1 ; 5 6 | = 25