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Simplify 10 over 8-5i

Simplify 10 over 8-5i-example-1
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User Michltm
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1 Answer

3 votes

(10)/(8-5i)=\\ (10)/(8-5i)*(8+5i)/(8+5i)=\\ (10*(8+5i))/((8-5i)(8+5i))=\\ (80+50i)/(64-25i^2)=\\ (80+50i)/(64+25)=\\ (80+50i)/(89)

so it is the second option
answered
User Eddie Parker
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8.3k points

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