Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 15:18Z
F = G m₁m₂ / r²
∑_{k=1}^{n} k = n(n+1)/2
164K
det| 7 4 ; 4 8 | = 40
232K
4z² + 8z + 7 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
165K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
372K
11n² + 2n + 4 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
430K
\frac{9}{8} \sum_{i=1}^{n} i^{2}
6φ² + 2φ + 5 = 0
\frac{4}{4} \sum_{i=1}^{n} i^{2}
det| 6 2 ; 0 7 | = 42