Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 03:01Z
ω = 2πf
det| 7 4 ; 4 8 | = 40
144K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{β\to 0} \frac{\sin β}{β} = 1
90K
∇²t = 0
∑_{k=1}^{n} k = n(n+1)/2
394K
8t² + 2t + 4 = 0
det| 9 9 ; 5 10 | = 45
94K
det| 5 6 ; 7 6 | = -12
211K
det| 8 9 ; 1 9 | = 63
\lim_{r\to 0} \frac{\sin r}{r} = 1
390K
10r² + 2r + 2 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0