Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 22:01Z
∂θ/∂γ = 6θ
det| 8 6 ; 6 9 | = 36
428K
9γ² + 2γ + 3 = 0
det| 9 4 ; 1 10 | = 86
268K
∑_{k=1}^{n} k = n(n+1)/2
\frac{9}{8} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
95K
det| 10 5 ; 4 11 | = 90
121K