Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 20:39Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
52K
6ω² + 3ω + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
90K
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 10 3 ; 4 11 | = 98
100K
det| 3 6 ; 0 4 | = 12
50K
det| 8 3 ; 4 9 | = 60
det| 9 4 ; 1 10 | = 86
137K
9x² + 3x + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
262K