3.1 Using the differential length dl, find the length of each of the following curves: (a) p = 3, r/4 < ¢ < t/2, z = constant (b) r = 1, 0 = 30°, 0 < ¢ < 60° (c) r = = 4, 30° < 0 < 90°, ø = constant

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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**Section 3.1: Calculating the Length of Curves Using Differential Length \( dl \)**

For each of the following curves, determine the length using the differential length \( dl \):

(a) The curve is defined by \( \rho = 3 \), with the angle \( \pi/4 < \phi < \pi/2 \), and \( z \) is constant.

(b) The curve is described by \( r = 1 \) and \( \theta = 30^\circ \), within the angular range \( 0 < \phi < 60^\circ \).

(c) The curve is given by \( r = 4 \), with the angle \( 30^\circ < \theta < 90^\circ \), and \( \phi \) remains constant.
Transcribed Image Text:**Section 3.1: Calculating the Length of Curves Using Differential Length \( dl \)** For each of the following curves, determine the length using the differential length \( dl \): (a) The curve is defined by \( \rho = 3 \), with the angle \( \pi/4 < \phi < \pi/2 \), and \( z \) is constant. (b) The curve is described by \( r = 1 \) and \( \theta = 30^\circ \), within the angular range \( 0 < \phi < 60^\circ \). (c) The curve is given by \( r = 4 \), with the angle \( 30^\circ < \theta < 90^\circ \), and \( \phi \) remains constant.
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