Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 20:22Z
E = mc²
det| 7 8 ; 6 8 | = 8
144K
2ω² + 4ω + 5 = 0
det| 9 3 ; 3 10 | = 81
90K
∑_{k=1}^{n} k = n(n+1)/2
438K
E = mc²
\frac{9}{8} \sum_{i=1}^{n} i^{2}
det| 7 6 ; 1 8 | = 50
211K
det| 2 1 ; 2 3 | = 4
det| 9 5 ; 6 10 | = 60
69K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
144K