Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 23:35Z
ΔS ≥ 0
det| 4 6 ; 2 5 | = 8
det| 3 6 ; 0 4 | = 12
268K
ΔS ≥ 0
\lim_{n\to 0} \frac{\sin n}{n} = 1
∑_{k=1}^{n} k = n(n+1)/2
95K
∑_{k=1}^{n} k = n(n+1)/2
121K
det| 12 9 ; 3 13 | = 129