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https://prnt.sc/ru7tmq

 Apr 6, 2020
 #1
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(-2 +  4i) * i^3  =  -2i^3  +  4i^4  = -2 (-1)(i) + 4(1)  = 2i  + 4 = 4 + 2i ⇒  Note that  this lies in Quadrant l

 

So

 

-2 + 4i    lies  in  Quadrant ll

 

Clockwise

 

Quadrant  l

 

 

cool cool cool

 Apr 6, 2020

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