(a) Note that (-1,0) lies on the curve x? + y² = 1. For t e R, denote by le the line with slope t that passes through (-1,0). This line intersects the curve x² + y? = 1 at (-1,0) as well as at one additional point (x(t), y(t)). In fact, since every point on the curve x² + y? = 1 other than (-1,0) is realized as the nontrivial intersection point of the line li for precisely one value of t, we obtain the parametrization E R² 2? + y? = 1} = {(#(t), y(t)) | t e R}U{(-1,0)}. Compute the values of x(t) and y(t) to obtain a parametrization of the real points lying on the curve x² + y² = 1.
(a) Note that (-1,0) lies on the curve x? + y² = 1. For t e R, denote by le the line with slope t that passes through (-1,0). This line intersects the curve x² + y? = 1 at (-1,0) as well as at one additional point (x(t), y(t)). In fact, since every point on the curve x² + y? = 1 other than (-1,0) is realized as the nontrivial intersection point of the line li for precisely one value of t, we obtain the parametrization E R² 2? + y? = 1} = {(#(t), y(t)) | t e R}U{(-1,0)}. Compute the values of x(t) and y(t) to obtain a parametrization of the real points lying on the curve x² + y² = 1.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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