Math Dump /sym/cd38e7
id=752759 · host=jp.commstar.world · 2026-09-01 21:07Z
5θ² + 4θ + 4 = 0
det| 4 1 ; 6 5 | = 14
402K
∇²x = 0
det| 5 3 ; 7 6 | = 9
398K
1φ² + 9φ + 5 = 0
det| 6 3 ; 1 7 | = 39
∑_{k=1}^{n} k = n(n+1)/2
∇²r = 0
∇²r = 0
∇ × E = −∂B/∂t
8z² + 1z + 0 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
F = ma
∫₀^∞ e^(-β²) dβ = √π / 2