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5 votes
Simplify the expression


(-5+i)/(2i)

User Pengman
by
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2 Answers

2 votes

Multiply by the conjugate and simplify.

1/2 + 5i/2

User Starrify
by
7.6k points
5 votes


\text{We know}\ i=√(-1)\to i^2=-1


(-5+i)/(2i)=(-5+i)/(2i)\cdot(i)/(i)=(-5i+i^2)/(2i^2)=(-5i+(-1))/(2(-1))=(-5i-1)/(-2)\\\\=(-5i)/(-2)+(-1)/(-2)=\boxed{(1)/(2)+(5)/(2)i}

User Yegor
by
8.2k points

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