Math Dump /sym/620b20
id=823379 · host=fr.findroms.cloud · 2026-08-20 02:19Z
∑_{k=1}^{n} k = n(n+1)/2
9ψ² + 2ψ + 5 = 0
det| 5 6 ; 2 6 | = 18
366K
det| 3 7 ; 2 4 | = -2
475K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
79K
det| 1 9 ; 1 2 | = -7
∑_{k=1}^{n} k = n(n+1)/2
43K
\lim_{α\to 0} \frac{\sin α}{α} = 1
11θ² + 4θ + 3 = 0
6r² + 5r + 5 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∂x/∂α = 1x