Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 00:21Z
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
320K
\lim_{t\to 0} \frac{\sin t}{t} = 1
144K
\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
90K
\lim_{r\to 0} \frac{\sin r}{r} = 1
438K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 7 4 ; 4 8 | = 40
394K
7z² + 2z + 5 = 0
∫₀^∞ e^(-θ²) dθ = √π / 2
211K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 3 2 ; 1 4 | = 10
\oint_C \vec{F}\cdot d\vec{r} = 0
352K
CH₄ + 2O₂ → CO₂ + 2H₂O
16K
det| 7 2 ; 7 8 | = 42
311K
∫₀^∞ e^(-x²) dx = √π / 2
110K