Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 00:20Z
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 12 1 ; 4 13 | = 152
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 4 ; 1 10 | = 86
394K
7z² + 2z + 5 = 0
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
211K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 5 ; 5 10 | = 65
390K
det| 3 2 ; 1 4 | = 10
∑_{k=1}^{n} k = n(n+1)/2
144K
ω = 2πf
det| 9 5 ; 4 10 | = 70
16K