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Kryger [21]
4 years ago
5

Imaginary number of sqr -45

Mathematics
1 answer:
horrorfan [7]4 years ago
5 0

Answer:

3\sqrt{5} i

Step-by-step explanation:

Note  \sqrt{-1} = i

Given

\sqrt{-45}

= \sqrt{9(5)(-1)}

= \sqrt{9} × \sqrt{5} × \sqrt{-1}

= 3\sqrt{5} i

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