A) \[-2i\]
B) \[2i\]
C) \[-2i,-2i\]
D) \[2i,2i\]
Correct Answer: C
Solution :
We have \[i{{x}^{2}}-4x-4i=0\] Þ \[{{x}^{2}}+4ix-4=0\]Þ \[{{x}^{2}}+2ix+2ix-4=0\] Þ \[(x+2i)(x+2i)=0\]Þ \[x=-2i,\,\,-2i\].You need to login to perform this action.
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