Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:01Z
∑_{k=1}^{n} k = n(n+1)/2
\lim_{α\to 0} \frac{\sin α}{α} = 1
479K
3β² + 6β + 2 = 0
det| 5 6 ; 2 6 | = 18
276K
det| 9 4 ; 1 10 | = 86
129K
F = ma
∫₀^∞ e^(-t²) dt = √π / 2
191K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
390K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
153K
1x² + 5x + 7 = 0
∇²ψ = 0
det| 4 8 ; 3 5 | = -4
416K
3φ² + 8φ + 6 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}