Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-09-19 02:32Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 8 1 ; 0 9 | = 72
66K
det| 1 9 ; 4 2 | = -34
15K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
68K
det| 2 1 ; 4 3 | = 2
ΔS ≥ 0
det| 7 9 ; 1 8 | = 47
469K
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
139K
∫₀^∞ e^(-θ²) dθ = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}