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Write the expression in standard form. (2 points) seven divided by quantity three minus fifteen i.
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Write the expression in standard form. (2 points) seven divided by quantity three minus fifteen i.

User TOMMY WANG
by
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1 Answer

5 votes

Answer:


\displaystyle (7)/(3-15i)=(7)/(78)+(35)/(78)i

Explanation:


\displaystyle (7)/(3-15i)\\\\(7)/(3-15i)*(3+15i)/(3+15i)\\\\(21+105i)/(9-225i^2)\\\\(21+105i)/(9+225)\\\\(21+105i)/(234)\\\\(21)/(234)+(105)/(234)i\\ \\(7)/(78)+(35)/(78)i

User Jcuypers
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