3 years ago

Please help me answer all parts of the question in the photo.

1 answer:

3 0

$i=\sqrt{-1}\\i^2=\sqrt{-1}*\sqrt{-1}=-1\\i^3=\sqrt{-1}*\sqrt{-1}*\sqrt{-1}=-i\\i^4=\sqrt{-1}*\sqrt{-1}*\sqrt{-1}*\sqrt{-1}=1$

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