Operator Journal /sym/f43c60
id=1 · host=nl.mattivster.me · 2026-10-20 07:24Z
det| 2 3 ; 7 3 | = -15
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
404K
d/dn [n^12] = 12n^11
det| 1 1 ; 5 2 | = -3
98K
det| 9 4 ; 1 10 | = 86
396K
∇²z = 0
∑_{k=1}^{n} k = n(n+1)/2