8. A space probe in the shape of the ellipsoid 4x²+ y²+4z² = 16 enters Earth's atmosphere and its surface begins to heat. After 1 hour, the temperature at the point (x,y, z) on the probe's surface is T(x, y, z) = 8x² + 4yz - 16z + 600. Find the hottest point on the probe's surface.
 Answer :____________

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