Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-08-26 17:25Z
d/dr [r^3] = 3r^2
∑_{k=1}^{n} k = n(n+1)/2
24K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 8 2 ; 7 9 | = 58
444K
∑_{k=1}^{n} k = n(n+1)/2
\frac{12}{7} \sum_{i=1}^{n} i^{2}
135K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
89K
det| 10 3 ; 6 11 | = 92
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
220K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
6θ² + 6θ + 2 = 0