Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 13:59Z
8θ² + 4θ + 7 = 0
det| 9 4 ; 1 10 | = 86
244K
∇²α = 0
det| 3 6 ; 0 4 | = 12
90K
det| 5 6 ; 5 6 | = 0
∑_{k=1}^{n} k = n(n+1)/2
det| 3 3 ; 4 4 | = 0
197K
d/dn [n^5] = 5n^4
∑_{k=1}^{n} k = n(n+1)/2