Operator Journal /sym/f43c60
id=1 · host=nl.mattivster.me · 2026-10-20 07:26Z
det| 2 3 ; 7 3 | = -15
\frac{3}{2} \sum_{i=1}^{n} i^{2}
133K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\frac{2}{2} \sum_{i=1}^{n} i^{2}
398K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 1 ; 7 8 | = 49
271K
d/dn [n^12] = 12n^11
∇²z = 0
∑_{k=1}^{n} k = n(n+1)/2