Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = ln (x2 + y2)i + tan-1 
j; C is the region defined by the polar coordinate inequalities 1 ? r ? 7 and 
A. 96
B. -12
C. 50
D. 0
Answer: B
Mathematics
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What will be an ideal response?
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Simplify the expression. Assume that all variables are positive.
? 
A. 2x2y3
B. 4x2y4
C. 2x2y
D. 2xy3
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Mathematics