Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:53Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
det| 1 2 ; 7 2 | = -12
8K
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 10 3 ; 4 11 | = 98
57K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 6 ; 4 6 | = 6
276K
∑_{k=1}^{n} k = n(n+1)/2
257K
∫₀^∞ e^(-t²) dt = √π / 2
256K