Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 00:21Z
∑_{k=1}^{n} k = n(n+1)/2
det| 5 3 ; 2 6 | = 24
320K
\oint_C \vec{F}\cdot d\vec{r} = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
90K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
438K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
29K
7z² + 2z + 5 = 0
det| 7 4 ; 4 8 | = 40
94K
det| 4 2 ; 4 5 | = 12
211K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
144K
det| 1 4 ; 0 2 | = 2
110K
\frac{8}{1} \sum_{i=1}^{n} i^{2}
134K