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IloveCharlie
Group Title
Perform indicated operation and leave answer in the form a+bi.
(7+2i)/(43i)
 one year ago
 one year ago
IloveCharlie Group Title
Perform indicated operation and leave answer in the form a+bi. (7+2i)/(43i)
 one year ago
 one year ago

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Calcmathlete Group TitleBest ResponseYou've already chosen the best response.2
Basically, you have to rationalize the denominator which means to get rid of 'i' in the denominator. THat means that you have to multiply by the conjugate in the denominator. \[\frac{7 + 2i}{4  3i} \implies \frac{7 + 2i}{4  3i} \times \frac{4 + 3i}{4 + 3i} \implies~?\]
 one year ago

IloveCharlie Group TitleBest ResponseYou've already chosen the best response.0
22/25+29i/25? http://www.wolframalpha.com/input/?i=%28%287%2B2i%29%2F%2843i%29%29*%28%284%2B3i%29%2F%284%2B3i%29%29
 one year ago

Calcmathlete Group TitleBest ResponseYou've already chosen the best response.2
Yes...that is correct if you wanted to use a calculator...
 one year ago

IloveCharlie Group TitleBest ResponseYou've already chosen the best response.0
So it that the most simplified? Or could I simplify it down more?
 one year ago

IloveCharlie Group TitleBest ResponseYou've already chosen the best response.0
@Calcmathlete
 one year ago

Calcmathlete Group TitleBest ResponseYou've already chosen the best response.2
THat is the most simplified...I'm not surte if your teacher wants the decimal one or the fraction one. It's up to you :)
 one year ago

IloveCharlie Group TitleBest ResponseYou've already chosen the best response.0
O.k, thanks so much :)
 one year ago
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