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Need help solving this math class work I don’t understand it
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Need help solving this math class work I don’t understand it

Need help solving this math class work I don’t understand it-example-1
User MKR
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1 Answer

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23 votes

Given:


(2+i)/(1-2i)
(2+i)/(1-2i)=(2+i)/(1-2i)*(1+2i)/(1+2i)
(2+i)/(1-2i)=(2+4i+i-2)/(1+4)
(2+i)/(1-2i)=(5i)/(5)
(2+i)/(1-2i)=i

User Marko Kukovec
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