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# equation of a surface

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Describe in words the surface whose equation is given
[note r - cylindrical coordinate, &#961; - spherical coordinate]

a) r = 3

b) &#961; = 3

c) &#966; = &#960;/2

d) &#952; = &#960;/3

Give detailed explanation.

##### Solution Summary

The expert describes the surface whoses equation is given. Crlindrical coordinates and spherical coordinates are used.

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<br>Are these all separate surfaces? infact they have to be, if not combined like 1cd, or bcd.
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<br>I have explained assuming all separate surfaces, and a procedure for calculating combination of acd
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<br>1. r=3
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<br>for spherical coordinates, r=3 means, a hollow ...

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• BE, Bangalore University, India
• MS, University of Wisconsin-Madison
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