Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 13:38Z
8θ² + 4θ + 7 = 0
det| 7 4 ; 4 8 | = 40
244K
∇²α = 0
det| 5 6 ; 5 6 | = 0
det| 9 6 ; 0 10 | = 90
100K
∫₀^∞ e^(-α²) dα = √π / 2
50K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
137K
d/dn [n^5] = 5n^4
det| 9 9 ; 5 10 | = 45
262K
∑_{k=1}^{n} k = n(n+1)/2