For a complex number z, \(\begin{array}{*{20}{c}} {lim}\\ {z \to i} \end{array}\frac{{{z^2} + 1}}{{{z^3} + 2z - i\left( {{z^2} + 2} \right)}}\) is

For a complex number z, \(\begin{array}{*{20}{c}} {lim}\\ {z \to i} \e

1.	For a complex number z, \(\begin{array}{*{20}{c}} {lim}\\ {z \to i} \end{array}\frac{{{z^2} + 1}}{{{z^3} + 2z - i\left( {{z^2} + 2} \right)}}\) is
A.	-2i
B.	-i
C.	i
D.	2i
Answer» E.

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For a complex number z, \(\begin{array}{*{20}{c}} {lim}\\ {z \to i} \end{array}\frac{{{z^2} + 1}}{{{z^3} + 2z - i\left( {{z^2} + 2} \right)}}\) is

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