In changing the differentiating variable to a polar coordinate system, A. dx and dy becomes dr and d0, respectively. B. dx and dy becomes rdr and d0, respectively. C. dy and dx becomes rdr and d0, respectively. D. dy and dx becomes dr and d0, respectively. 10. Why does in some cases, the arc length is changed to its parametric form to determine the line integral? A. Because the arc length exists in the 3-D plane. B. To avoid double integration. C. Because the limits of integration are given based on the parameter value. D. Because the arc length is a piecewise smooth curve.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
Problem 20T
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Help me choose the correct answer/s (meaning, there coule be more than one answer) And if the answer is none, choose letter E. If possible, please explain why. Thanks!

In changing the differentiating variable to a polar coordinate system,
A. dx and dy becomes dr and de, respectively.
B. dx and dy becomes rdr and d , respectively.
C. dy and dx becomes rdr and d0, respectively.
D. dy and dx becomes dr and de, respectively.
10. Why does in some cases, the arc length is changed to its parametric form to determine the line integral?
A. Because the arc length exists in the 3-D plane.
B. To avoid double integration.
Because the limits of integration are given based on the parameter value.
D. Because the arc length is a piecewise smooth curve.
C.
9.
Transcribed Image Text:In changing the differentiating variable to a polar coordinate system, A. dx and dy becomes dr and de, respectively. B. dx and dy becomes rdr and d , respectively. C. dy and dx becomes rdr and d0, respectively. D. dy and dx becomes dr and de, respectively. 10. Why does in some cases, the arc length is changed to its parametric form to determine the line integral? A. Because the arc length exists in the 3-D plane. B. To avoid double integration. Because the limits of integration are given based on the parameter value. D. Because the arc length is a piecewise smooth curve. C. 9.
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