Operator Journal /sym/f43c60
id=1 · host=nl.mattivster.me · 2026-10-20 17:40Z
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
369K
\lim_{y\to 0} \frac{\sin y}{y} = 1
ΔS ≥ 0
det| 3 9 ; 1 4 | = 3
271K
5n² + 6n + 0 = 0
7φ² + 5φ + 7 = 0
det| 5 3 ; 0 6 | = 30
9r² + 1r + 4 = 0