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Tohaina

\frac{3+4i-\left(2+i\right)\left(2-i\right)}{\left(1-i\right)^{2}}
Tātaihia te 2+i mā te pū o 2, kia riro ko 3+4i.
\frac{3+4i-5}{\left(1-i\right)^{2}}
Whakareatia te 2+i ki te 2-i, ka 5.
\frac{-2+4i}{\left(1-i\right)^{2}}
Tangohia te 5 i te 3+4i, ka -2+4i.
\frac{-2+4i}{-2i}
Tātaihia te 1-i mā te pū o 2, kia riro ko -2i.
\frac{-4-2i}{2}
Me whakarea tahi te taurunga me te tauraro ki te wae pohewa i.
-2-i
Whakawehea te -4-2i ki te 2, kia riro ko -2-i.
Re(\frac{3+4i-\left(2+i\right)\left(2-i\right)}{\left(1-i\right)^{2}})
Tātaihia te 2+i mā te pū o 2, kia riro ko 3+4i.
Re(\frac{3+4i-5}{\left(1-i\right)^{2}})
Whakareatia te 2+i ki te 2-i, ka 5.
Re(\frac{-2+4i}{\left(1-i\right)^{2}})
Tangohia te 5 i te 3+4i, ka -2+4i.
Re(\frac{-2+4i}{-2i})
Tātaihia te 1-i mā te pū o 2, kia riro ko -2i.
Re(\frac{-4-2i}{2})
Me whakarea tahi te taurunga me te tauraro o \frac{-2+4i}{-2i} ki te wae pohewa i.
Re(-2-i)
Whakawehea te -4-2i ki te 2, kia riro ko -2-i.
-2
Ko te wāhi tūturu o -2-i ko -2.