By changing to spherical coordinates, calculate =JJ₂₁ _e(x²+y²+z²)³/²/² dV, where D is the D region in the first octant between the planes y = 2x and y = 4x, above the cone A = z = √3(x² + y²), and between the spheres x² + y² + z² = 2 and x² + y² + z² = 4. Then sin(4A) is

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