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3 years ago

Pls help asap!!!

Mathematics

1 answer:

hoa [83]3 years ago

3 0

9514 1404 393

Answer:

±i√70

Step-by-step explanation:

The number 70 has no factors that are squares, so we have ...

$\pm\sqrt{-70}=\pm\sqrt{(-1)(70)}=\pm\sqrt{-1}\sqrt{70}=\boxed{\pm i\sqrt{70}}$

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