Section 12.1: Three dimenstional Coordinate Geometry
Exercise 33
Describe in words the region of \(\mathbb{R}^3\) represented by the equation \(x^2 + y^2 + z^2 = 4\).
Describe in words the region of \(\mathbb{R}^3\) represented by the equation \(x^2 + y^2 + z^2 = 4\).