Operator Journal /sym/f43c60
id=1 · host=nl.mattivster.me · 2026-10-20 07:46Z
det| 2 3 ; 7 3 | = -15
∑_{k=1}^{n} k = n(n+1)/2
369K
det| 7 4 ; 4 8 | = 40
133K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
398K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-θ²) dθ = √π / 2
271K
d/dn [n^12] = 12n^11
∇²z = 0
∑_{k=1}^{n} k = n(n+1)/2