Evaluate (complex solution)
2\sqrt{19}i\approx 8.717797887i
Real Part (complex solution)
0
Evaluate
\text{Indeterminate}
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2\sqrt{19}i
Factor -19=19\left(-1\right). Rewrite the square root of the product \sqrt{19\left(-1\right)} as the product of square roots \sqrt{19}\sqrt{-1}. By definition, the square root of -1 is i.
2i\sqrt{19}
Multiply 2 and i to get 2i.
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