Show that the projection into the xy-plane of the curve of intersection of the parabolic cylinder z=1−3y^2 and the paraboloid z=x^2+y^2 is an ellipse. (a) Find a vector-parametric equation for the ellipse in the xyxy-plane. Shadow: r1(t)=? (b) Find a vector-parametric equation for the curve of intersection of the parabolic cylinder and the paraboloid. Intersection: r2(t)=?
Show that the projection into the xy-plane of the curve of intersection of the parabolic cylinder z=1−3y^2 and the paraboloid z=x^2+y^2 is an ellipse. (a) Find a vector-parametric equation for the ellipse in the xyxy-plane. Shadow: r1(t)=? (b) Find a vector-parametric equation for the curve of intersection of the parabolic cylinder and the paraboloid. Intersection: r2(t)=?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.4: Plane Curves And Parametric Equations
Problem 53E
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Show that the projection into the xy-plane of the curve of intersection of the parabolic cylinder z=1−3y^2 and the paraboloid z=x^2+y^2 is an ellipse. (a) Find a Shadow: r1(t)=? (b) Find a vector-parametric equation for the curve of intersection of the parabolic cylinder and the paraboloid. Intersection: r2(t)=? |
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