Operator Journal /sym/f43c60
id=1 · host=nl.mattivster.me · 2026-10-20 07:40Z
det| 2 3 ; 7 3 | = -15
det| 5 9 ; 7 6 | = -33
133K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-θ²) dθ = √π / 2
98K
∑_{k=1}^{n} k = n(n+1)/2
396K