Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 17:20Z
11x² + 3x + 4 = 0
det| 7 1 ; 7 8 | = 49
66K
det| 7 4 ; 4 8 | = 40
222K
ω = 2πf
det| 12 1 ; 4 13 | = 152
2K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
335K