Question 1207470
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D U P L I C A T E 



Just solved and explained in full and completely today at this forum under this link


https://www.algebra.com/algebra/homework/complex/Complex_Numbers.faq.question.1207465.html



All you need to do now is to post your greatest  " THANKS "  to me for my teaching.



You may also express your sincere admiration by the beauty of the solution you got.



Do not make anymore except of it and nothing over  (and other)  than that.