Find the range of the function defined by f(z)=Re[2iz/(1-z2)]. – McqOptions

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1.	Find the range of the function defined by f(z)=Re[2iz/(1-z2)].
A.	( , 0) &Union; (0, )
B.	[2, )
C.	( , 1] &Union; [1, )
D.	( , 0] &Union; [2, )
Answer» D. ( , 0] &Union; [2, )

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