Math Dump /sym/9de38a
id=153141 · host=jp.commstar.world · 2026-09-01 21:05Z
d/dr [r^3] = 3r^2
det| 4 1 ; 6 5 | = 14
402K
9t² + 8t + 7 = 0
det| 5 3 ; 7 6 | = 9
398K
∇²β = 0
∂ω/∂α = 8ω
det| 7 1 ; 2 8 | = 54
det| 2 6 ; 1 3 | = 0
det| 11 5 ; 3 12 | = 117
det| 11 3 ; 3 12 | = 123
7z² + 7z + 4 = 0
2γ² + 8γ + 5 = 0
∑_{k=1}^{n} k = n(n+1)/2
∇ × E = −∂B/∂t