Evaluate (complex solution)
8i
Real Part (complex solution)
0
Evaluate
\text{Indeterminate}
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\sqrt{-64}
Subtract 68 from 4 to get -64.
8i
Calculate the square root of -64 and get 8i.
Re(\sqrt{-64})
Subtract 68 from 4 to get -64.
Re(8i)
Calculate the square root of -64 and get 8i.
0
The real part of 8i is 0.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
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Limits
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