Sketch D and g(D) from the description of D and change of variables 
x = u cos v, y = u sin v where D is the rectangle 1 ? u ? 2, 0 ? v ? 
?
A.
 ? |  |
B. None of these.
C.
 ? |  |
D.
 ? |  |
Answer: C
Mathematics
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A. 
+ 
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