Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 00:09Z
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
244K
det| 8 5 ; 3 9 | = 57
52K
det| 8 8 ; 7 9 | = 16
det| 7 4 ; 4 8 | = 40
90K
det| 4 8 ; 3 5 | = -4
91K
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
50K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
197K
det| 10 3 ; 0 11 | = 110
9z² + 8z + 1 = 0