Section 14.6: Directional Derivatives & Gradient Vector
Exercise 60
At what points does the normal line through the point \((1, 2, 1)\) on the ellipsoid \(4x^2 + y^2 + 4z^2 = 12\) intersect the sphere \(x^2 + y^2 + z^2 = 102\)?
At what points does the normal line through the point \((1, 2, 1)\) on the ellipsoid \(4x^2 + y^2 + 4z^2 = 12\) intersect the sphere \(x^2 + y^2 + z^2 = 102\)?