\[{{\left\{ \frac{2i}{1+i} \right\}}^{2}}=\] [BIT Ranchi 1992]

1.	\[{{\left\{ \frac{2i}{1+i} \right\}}^{2}}=\] [BIT Ranchi 1992]
A.	1
B.	\[2i\]
C.	\[\alpha -i\beta \,(\alpha ,\beta \,\text{real),}\]
D.	\[\left( \frac{3-4ix}{3+4ix} \right)=\]
Answer» C. \[\alpha -i\beta \,(\alpha ,\beta \,\text{real),}\]

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\[{{\left\{ \frac{2i}{1+i} \right\}}^{2}}=\] [BIT Ranchi 1992]

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