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Simplify the expression -5+i/2i Can someone please explain this to me!

Simplify the expression -5+i/2i Can someone please explain this to me!
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Simplify the expression -5+i/2i Can someone please explain this to me!

User Dapeng
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Think of it as -5+1i/2i, since 1i=i. From there, the i's could cancel out since dividing a number by itself would just equal 1. It would then be -5+1/2 which would be simplified to -4 1/2. No need to worry about those i's at all!
User AdventurerOK
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