Operator Journal /sym/f43c60
id=1 · host=nl.mattivster.me · 2026-10-18 22:08Z
∇²β = 0
det| 1 1 ; 5 2 | = -3
192K
det| 6 6 ; 3 7 | = 24
339K
7z² + 9z + 4 = 0
det| 7 4 ; 4 8 | = 40
311K
d/dz [z^1] = 1z^0
det| 3 9 ; 1 4 | = 3
139K
∑_{k=1}^{n} k = n(n+1)/2
304K