Let C₁ be the directed line segment that starts at (2,0) and ends at (-3,-5) and C₂ ɔe the parabola with parametrization x = t, y = 4 – t² for t € [−3, 2]. Let ♬ be the vector field F(x, y) = (x² − 4y) î + (2x + 3y²) î. (a) Evaluate Sc₂ F · dr. (b) Evaluate §♂ Ē·dr where C' is the positively oriented path consisting of the parabola y = 4—x² starting from (2,0) to (−3,−5) and the line segment from (−3,−5) back to (2, 0). (c) Use the results in (a) and (b) to evaluate Sc₂ F · dr.
Let C₁ be the directed line segment that starts at (2,0) and ends at (-3,-5) and C₂ ɔe the parabola with parametrization x = t, y = 4 – t² for t € [−3, 2]. Let ♬ be the vector field F(x, y) = (x² − 4y) î + (2x + 3y²) î. (a) Evaluate Sc₂ F · dr. (b) Evaluate §♂ Ē·dr where C' is the positively oriented path consisting of the parabola y = 4—x² starting from (2,0) to (−3,−5) and the line segment from (−3,−5) back to (2, 0). (c) Use the results in (a) and (b) to evaluate Sc₂ F · dr.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 32E
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