Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 22:53Z
∂θ/∂γ = 6θ
det| 12 9 ; 5 13 | = 111
238K
9γ² + 2γ + 3 = 0
det| 2 7 ; 7 3 | = -43
268K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
41K
\frac{9}{8} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
121K