Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:55Z
∫₀^∞ e^(-φ²) dφ = √π / 2
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
320K
det| 1 9 ; 5 2 | = -43
\binom{n}{k} = \frac{n!}{k!(n-k)!}
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 12 3 ; 4 13 | = 144
394K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 9 4 ; 1 10 | = 86
94K
∑_{k=1}^{n} k = n(n+1)/2
211K
det| 11 9 ; 1 12 | = 123
\frac{4}{6} \sum_{i=1}^{n} i^{2}
390K
2n² + 5n + 6 = 0
det| 9 5 ; 1 10 | = 85
144K
\lim_{x\to 0} \frac{\sin x}{x} = 1
d/dβ [β^5] = 5β^4
ΔS ≥ 0