document.write( "Question 1198297: If (x +iy)^9 - (ix+y)^9 = 2i, find the value of x, y ? \n" ); document.write( "
Algebra.Com's Answer #832235 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "I'm posting this response to try to get input from other tutors.... \n" ); document.write( "It seems to me that there will be no solution to the given equation. I will be interested in anything useful that others have regarding this problem. \n" ); document.write( "Below are my thoughts about the problem that lead me to my conclusion that there is no solution. \n" ); document.write( "Represented in polar form, x+iy and y+ix have equal magnitudes and are symmetrical about the line y=x. \n" ); document.write( "The angles associated with the two complex numbers can then be represented as (45+a) and (45-a) degrees. \n" ); document.write( "But applying deMoivre's Theorem to the given expression shows that no value of a will produce a value for the given expression with an angle of 90 degrees -- as required by the given expression being equal to 2i. \n" ); document.write( "Experimenting with random values of a on wolframalpha.com in fact shows that any value of a produces a result in the form \n" ); document.write( "Any comments...? \n" ); document.write( " \n" ); document.write( " |