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