Find the exact area of the surface obtained by rotating the given curve about the y-axis.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question

Find the exact area of the surface obtained by rotating the given curve about the y-axis.

The parametric equations given are:

\[ x(t) = 3t - t^3 \]

\[ y(t) = 3t^2 \]

These equations define a curve where the parameter \( t \) is in the range:

\[ 0 \leq t \leq 1 \]

These equations can be used to plot a curve by assigning values of \( t \) within the specified range and computing the corresponding values of \( x(t) \) and \( y(t) \). The first equation dictates how the x-coordinate changes with \( t \), and the second equation does the same for the y-coordinate.
Transcribed Image Text:The parametric equations given are: \[ x(t) = 3t - t^3 \] \[ y(t) = 3t^2 \] These equations define a curve where the parameter \( t \) is in the range: \[ 0 \leq t \leq 1 \] These equations can be used to plot a curve by assigning values of \( t \) within the specified range and computing the corresponding values of \( x(t) \) and \( y(t) \). The first equation dictates how the x-coordinate changes with \( t \), and the second equation does the same for the y-coordinate.
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