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\frac{-2i}{2i^{2}}
Multiply both numerator and denominator by imaginary unit i.
\frac{-2i}{-2}
By definition, i^{2} is -1. Calculate the denominator.
i
Divide -2i by -2 to get i.
Re(\frac{-2i}{2i^{2}})
Multiply both numerator and denominator of \frac{-2}{2i} by imaginary unit i.
Re(\frac{-2i}{-2})
By definition, i^{2} is -1. Calculate the denominator.
Re(i)
Divide -2i by -2 to get i.
0
The real part of i is 0.