Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 20:19Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
244K
6ω² + 3ω + 2 = 0
det| 4 6 ; 4 5 | = -4
90K
det| 11 9 ; 5 12 | = 87
91K
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 8 3 ; 4 9 | = 60
∑_{k=1}^{n} k = n(n+1)/2
137K
9x² + 3x + 6 = 0
det| 3 3 ; 4 4 | = 0
262K
det| 9 7 ; 3 10 | = 69
196K
9ψ² + 3ψ + 3 = 0
det| 6 8 ; 7 7 | = -14