Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-21 10:10Z
F = G m₁m₂ / r²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
352K
det| 4 6 ; 4 5 | = -4
192K
\frac{7}{5} \sum_{i=1}^{n} i^{2}
2H₂ + O₂ → 2H₂O
5ω² + 7ω + 0 = 0
\frac{12}{6} \sum_{i=1}^{n} i^{2}
361K
det| 6 3 ; 0 7 | = 42
\frac{1}{2} \sum_{i=1}^{n} i^{2}
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2