Operator Journal /sym/f43c60
id=1 · host=nl.mattivster.me · 2026-10-20 07:41Z
det| 2 3 ; 7 3 | = -15
\binom{n}{k} = \frac{n!}{k!(n-k)!}
369K
∑_{k=1}^{n} k = n(n+1)/2
133K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 5 ; 1 10 | = 85
404K
det| 9 4 ; 1 10 | = 86
271K
d/dn [n^12] = 12n^11
\frac{3}{2} \sum_{i=1}^{n} i^{2}
98K
det| 4 2 ; 1 5 | = 18
126K