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Valentin [98]
1 year ago
8

Square root of -4 complex number

Mathematics
1 answer:
Gennadij [26K]1 year ago
7 0

~~~~\sqrt{-4}\\\\=\sqrt{-1 \cdot 4}\\\\=\sqrt{-1} \cdot \sqrt{4}\\\\=2i~~~~~~~~~~~~~~~~~~~~~~~~~~~~~;\left[\text{The imaginary unit,} i=\sqrt{-1} \right]

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