The given curve is rotated about the y-axis. Find the area of the resulting surface. y = Vx, 3sy54

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Analytic Trigonometry
Section2.3: Solving Trigonometric Equations
Problem 11ECP
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The given curve is rotated about the y-axis. Find the area of the resulting surface.
y = Vx, 3 s y s 4
Transcribed Image Text:The given curve is rotated about the y-axis. Find the area of the resulting surface. y = Vx, 3 s y s 4
Expert Solution
Step 1 Let us find the area of resulting surface

Given:y=x3  ,     3y4Surface area :S=ba2πx 1+dxdy2   dy

Step 2

We have y=x3y=x13x=y3dxdy=3y2S=34 2πy31+3y22  dyS=342πy3 1+9y4   dyu=1+9y4du=36y3x=3,  u=730x=4,  u=2305

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