Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 13:38Z
8θ² + 4θ + 7 = 0
det| 8 2 ; 7 9 | = 58
52K
∇²α = 0
∫₀^∞ e^(-θ²) dθ = √π / 2
90K
det| 7 7 ; 4 8 | = 28
91K
det| 5 6 ; 5 6 | = 0
∫₀^∞ e^(-n²) dn = √π / 2
100K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
137K
det| 9 4 ; 1 10 | = 86
197K
d/dn [n^5] = 5n^4
Fe₂O₃ + 3CO → 2Fe + 3CO₂
262K
∑_{k=1}^{n} k = n(n+1)/2