Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:08Z
∫₀^∞ e^(-φ²) dφ = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
144K
det| 1 9 ; 5 2 | = -43
CH₄ + 2O₂ → CO₂ + 2H₂O
90K
∑_{k=1}^{n} k = n(n+1)/2
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
394K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 7 4 ; 4 8 | = 40
211K
det| 11 9 ; 1 12 | = 123
Fe₂O₃ + 3CO → 2Fe + 3CO₂
390K
7β² + 8β + 2 = 0
2n² + 5n + 6 = 0
\lim_{x\to 0} \frac{\sin x}{x} = 1
d/dβ [β^5] = 5β^4
ΔS ≥ 0