Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-09-14 08:15Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
387K
7x² + 1x + 4 = 0
λ = h/p
det| 7 6 ; 1 8 | = 50
480K
\oint_C \vec{F}\cdot d\vec{r} = 0
\frac{4}{9} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
5β² + 1β + 6 = 0
det| 7 4 ; 7 8 | = 28
∂z/∂α = 2z