Evaluate
\frac{1}{2}+\frac{1}{2}i=0.5+0.5i
Real Part
\frac{1}{2} = 0.5
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i-\frac{1+i}{\left(1-i\right)^{2}}
Calculate i to the power of 5 and get i.
i-\frac{1+i}{-2i}
Calculate 1-i to the power of 2 and get -2i.
i-\frac{-1+i}{2}
Multiply both numerator and denominator of \frac{1+i}{-2i} by imaginary unit i.
i+\left(\frac{1}{2}-\frac{1}{2}i\right)
Divide -1+i by 2 to get -\frac{1}{2}+\frac{1}{2}i.
\frac{1}{2}+\frac{1}{2}i
Add i and \frac{1}{2}-\frac{1}{2}i to get \frac{1}{2}+\frac{1}{2}i.
Re(i-\frac{1+i}{\left(1-i\right)^{2}})
Calculate i to the power of 5 and get i.
Re(i-\frac{1+i}{-2i})
Calculate 1-i to the power of 2 and get -2i.
Re(i-\frac{-1+i}{2})
Multiply both numerator and denominator of \frac{1+i}{-2i} by imaginary unit i.
Re(i+\left(\frac{1}{2}-\frac{1}{2}i\right))
Divide -1+i by 2 to get -\frac{1}{2}+\frac{1}{2}i.
Re(\frac{1}{2}+\frac{1}{2}i)
Add i and \frac{1}{2}-\frac{1}{2}i to get \frac{1}{2}+\frac{1}{2}i.
\frac{1}{2}
The real part of \frac{1}{2}+\frac{1}{2}i is \frac{1}{2}.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}