Operator Journal /sym/f43c60
id=1 · host=nl.mattivster.me · 2026-10-20 17:38Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
369K
\lim_{y\to 0} \frac{\sin y}{y} = 1
det| 4 8 ; 3 5 | = -4
264K
ΔS ≥ 0
5n² + 6n + 0 = 0
∑_{k=1}^{n} k = n(n+1)/2
98K
det| 7 4 ; 4 8 | = 40
396K
7φ² + 5φ + 7 = 0
det| 5 3 ; 0 6 | = 30