Evaluate
\frac{4}{11}+\frac{4}{11}i\approx 0.363636364+0.363636364i
Real Part
\frac{4}{11} = 0.36363636363636365
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\frac{1+i}{\frac{8}{4}+\frac{3}{4}}
Convert 2 to fraction \frac{8}{4}.
\frac{1+i}{\frac{8+3}{4}}
Since \frac{8}{4} and \frac{3}{4} have the same denominator, add them by adding their numerators.
\frac{1+i}{\frac{11}{4}}
Add 8 and 3 to get 11.
\left(1+i\right)\times \frac{4}{11}
Divide 1+i by \frac{11}{4} by multiplying 1+i by the reciprocal of \frac{11}{4}.
1\times \frac{4}{11}+\frac{4}{11}i
Multiply 1+i times \frac{4}{11}.
\frac{4}{11}+\frac{4}{11}i
Do the multiplications in 1\times \frac{4}{11}+\frac{4}{11}i.
Re(\frac{1+i}{\frac{8}{4}+\frac{3}{4}})
Convert 2 to fraction \frac{8}{4}.
Re(\frac{1+i}{\frac{8+3}{4}})
Since \frac{8}{4} and \frac{3}{4} have the same denominator, add them by adding their numerators.
Re(\frac{1+i}{\frac{11}{4}})
Add 8 and 3 to get 11.
Re(\left(1+i\right)\times \frac{4}{11})
Divide 1+i by \frac{11}{4} by multiplying 1+i by the reciprocal of \frac{11}{4}.
Re(1\times \frac{4}{11}+\frac{4}{11}i)
Multiply 1+i times \frac{4}{11}.
Re(\frac{4}{11}+\frac{4}{11}i)
Do the multiplications in 1\times \frac{4}{11}+\frac{4}{11}i.
\frac{4}{11}
The real part of \frac{4}{11}+\frac{4}{11}i is \frac{4}{11}.
Examples
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Matrix
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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}