Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:28Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
75K
det| 9 4 ; 1 10 | = 86
479K
3β² + 6β + 2 = 0
F = ma
\frac{8}{7} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-t²) dt = √π / 2
153K
1x² + 5x + 7 = 0
det| 4 8 ; 1 5 | = 12
∇²ψ = 0