Question
Mathematics Question on Complex Numbers
Let f(z) = u + iv be an analytic function, where u = x3-3xy2 +3x2 -3y2, then the imaginary part v of f(z) is
A
3x2y + 6xy-y3 + c
B
3x2y + 6xy+y3 + c
C
x2y + 6xy-y3 + c
D
3x2y - 6xy-y3 + c
Answer
3x2y + 6xy-y3 + c
Explanation
Solution
The correct answer is(A): 3x2y + 6xy-y3 + c