1. The equation x² + y² = 1 describes a circle of radius 1. Solving for y, we get y = √1-x². (a) Explain why y = √1- x² gives only the top half of the circle. L (b) Thinking about area, what should √1-x² dx equal?
1. The equation x² + y² = 1 describes a circle of radius 1. Solving for y, we get y = √1-x². (a) Explain why y = √1- x² gives only the top half of the circle. L (b) Thinking about area, what should √1-x² dx equal?
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter13: Conic Sections
Section13.1: Circles
Problem 48PS
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