Find x and y if x, y are members of real numbers and: (x+i)(3-iy)=1+13i
I first expanded it to give: 3x-yix+3i+y=1+13i
Then I equaled 3x+y=1 and -yx+3=13
But afterwards I do other steps and get the wrong answer.
Last edited by MarkFL; January 9th, 2017 at 22:10.
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Your approach and posted work are ok.
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