Question 2 25-y (a) Use cylindrical coordinates to evaluate the integral ² SN="²" 25- -5 7₁ (x² + y²)³/2dzdxdy.
Question 2 25-y (a) Use cylindrical coordinates to evaluate the integral ² SN="²" 25- -5 7₁ (x² + y²)³/2dzdxdy.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Question 2
(a) Use cylindrical coordinates to evaluate the integral 25-(x²+2j³/2 dzdxdy.
Sketch the region of integration.
(b) A cake is shaped like a hemisphere of radius 4 with base on the xy-plane. A wedge of cake
is removed by making two cuts from the center of the cake outward, perpendicular to the zy-
plane and separated by an angle of .
25-
2 п
(b1) Use a double integral to find the volume of the slice for =
(b2) Now suppose that the cake is shaped like a cylinder with the same radius and you
take a slice in the same way with the same angle. How high the cake should be so that
you get the same amount of cake as in part (bl)?
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