Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:33Z
∑_{k=1}^{n} k = n(n+1)/2
det| 5 9 ; 7 6 | = -33
479K
3β² + 6β + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
276K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
129K
F = ma
det| 3 1 ; 7 4 | = 5
390K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
153K
1x² + 5x + 7 = 0
det| 4 8 ; 1 5 | = 12
∇²ψ = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
3φ² + 8φ + 6 = 0