Chapter 12.1, Problem 38E

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8th Edition

James Stewart

ISBN: 9781305266643

Textbook Problem

Describe in words the region of ℝ^{3} represented by the equation(s) or inequality.

**38.** *x*^{2} + *y*^{2} + *z*^{2} > 2*z*

To determine

**To describe:** The representation of equation

Explanation

**Formula used:**

The expression for a sphere with center *r* is,

Here,

**Calculation:**

*x*, *y*, and *z*-coordinates.

Consider a sphere with center *r*.

The equation

Consider the inequality

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