SOLUTION: {{{4/(3+i)}}}

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Question 621701: 4%2F%283%2Bi%29
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

4%2F%283%2Bi%29   ||Rationalizing the denominator using the conjugate

%284%283-i%29%2F%283%2Bi%29%283-i%29%29%29 = %2812+-+4i%29%2F10 = %286-2i%29%2F5