Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 13:37Z
8θ² + 4θ + 7 = 0
∇²α = 0
det| 5 6 ; 5 6 | = 0
∑_{k=1}^{n} k = n(n+1)/2
det| 2 7 ; 7 3 | = -43
137K
d/dn [n^5] = 5n^4
Fe₂O₃ + 3CO → 2Fe + 3CO₂
196K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
299K