Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 00:22Z
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 7 9 ; 1 8 | = 47
394K
∫₀^∞ e^(-x²) dx = √π / 2
29K
7z² + 2z + 5 = 0
det| 10 4 ; 2 11 | = 102
94K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
211K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 3 2 ; 1 4 | = 10
\oint_C \vec{F}\cdot d\vec{r} = 0
144K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
352K