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Evaluate
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Real Part
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\sqrt{16\left(-1\right)}
Calculate i to the power of 2 and get -1.
\sqrt{-16}
Multiply 16 and -1 to get -16.
4i
Calculate the square root of -16 and get 4i.
Re(\sqrt{16\left(-1\right)})
Calculate i to the power of 2 and get -1.
Re(\sqrt{-16})
Multiply 16 and -1 to get -16.
Re(4i)
Calculate the square root of -16 and get 4i.
0
The real part of 4i is 0.