Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 06:01Z
∑_{k=1}^{n} k = n(n+1)/2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
479K
det| 11 2 ; 5 12 | = 122
8K
det| 5 9 ; 4 6 | = -6
det| 9 4 ; 1 10 | = 86
57K
F = G m₁m₂ / r²
∫₀^∞ e^(-n²) dn = √π / 2
276K
9ω² + 3ω + 5 = 0
det| 10 5 ; 4 11 | = 90
257K
9θ² + 8θ + 7 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
256K
\binom{n}{k} = \frac{n!}{k!(n-k)!}