Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 03:01Z
ω = 2πf
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 3 ; 3 10 | = 81
90K
∇²t = 0
det| 7 4 ; 4 8 | = 40
29K
8t² + 2t + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
211K
det| 8 9 ; 1 9 | = 63
∑_{k=1}^{n} k = n(n+1)/2
69K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 5 9 ; 0 6 | = 30
144K