Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 17:29Z
11x² + 3x + 4 = 0
det| 7 4 ; 4 8 | = 40
66K
ω = 2πf
det| 1 1 ; 5 2 | = -3
87K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 9 ; 0 6 | = 30
174K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 9 9 ; 5 10 | = 45
380K
∑_{k=1}^{n} k = n(n+1)/2
119K