Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 00:51Z
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
52K
det| 8 8 ; 7 9 | = 16
∑_{k=1}^{n} k = n(n+1)/2
91K
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
100K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-n²) dn = √π / 2
197K
det| 10 3 ; 0 11 | = 110
det| 5 6 ; 4 6 | = 6
196K
9z² + 8z + 1 = 0
det| 1 8 ; 1 2 | = -6