Calculate the flux of the field F across the closed plane curve C.F = e5xi + e4yj; the curve C is the closed counterclockwise path around the triangle with vertices at 
and 
A. 
e20(1 - e-20) + 1(e4 - 1) - 5
B. 
e20( e-4 - 1) + 1(1 - e4) - 5
C. 0
D. 
e20(1 - e-4) + 1(e4 - 1) + 5
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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Sketch trajectories of solutions of z? = Az given the eigenvalues and associated eigenvectors of A. Classify the origin and assess its stability.
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A. {0, 2} B. {-2} C. {2} D. {-2, 2}
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