Questions on Algebra: Complex Numbers answered by real tutors!

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Question 149093: PROBLEM: (1/5 – i)^2 : PROBLEM: (1/5 – i)^2
Answer by solver91311(1877) About Me  (Show Source):
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Use the fact that (a+b)^2=a^2+2ab+b^2 and remember that (-i)^2=(-i)(-i)=i^2=-1