Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 13:37Z
8θ² + 4θ + 7 = 0
det| 11 9 ; 0 12 | = 132
244K
∇²α = 0
det| 5 6 ; 5 6 | = 0
∑_{k=1}^{n} k = n(n+1)/2
100K
∑_{k=1}^{n} k = n(n+1)/2
d/dn [n^5] = 5n^4
∑_{k=1}^{n} k = n(n+1)/2
262K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
196K
∑_{k=1}^{n} k = n(n+1)/2