Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 00:19Z
∑_{k=1}^{n} k = n(n+1)/2
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
144K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 11 8 ; 2 12 | = 116
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
29K
7z² + 2z + 5 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 1 ; 1 6 | = 29
69K
det| 3 2 ; 1 4 | = 10
\binom{n}{k} = \frac{n!}{k!(n-k)!}
352K
ω = 2πf
det| 7 9 ; 4 8 | = 20
16K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
311K