lanning2000 lanning2000

03-06-2018
Mathematics

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simplify: 3i
__
2 + 5i

A.) 6i=15 B.) 3 C.) 11 - 13i D.) -3i
_ ___ _
29 7 29 2 - 5i

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Аноним Аноним

06-06-2018

We multiply top and bottom of the fraction by the compment of 2 + 5i which is 2 - 5i

The answer is 6i + 15
---------
29

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(4 - n) +2( -5n + 3)