Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 16:07Z
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
244K
det| 7 4 ; 4 8 | = 40
52K
det| 8 6 ; 2 9 | = 60
det| 11 9 ; 5 12 | = 87
90K
det| 4 2 ; 3 5 | = 14
91K
d/dx [x^1] = 1x^0
det| 12 9 ; 5 13 | = 111
100K
2n² + 7n + 5 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
262K
\binom{n}{k} = \frac{n!}{k!(n-k)!}