document.write( "Question 1143530: solve: (x+iy)^5 + (x-iy)^5 = -8 \n" ); document.write( "

Algebra.Com's Answer #764470 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "The post by Alan is NOT a solution, because it contains mistakes.\r
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document.write( "First mistake is in its first line    \" C = x + iy ---> sqrt(2)cis(45) \".   It is an assumption, but not an identity.\r\n" );
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document.write( "Second mistake is in its second line  \" D = x - iy ---> sqrt(2)cis(315) \".   Again, it is an assumption, but not an identity.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Actually, \"the solution\" to this equation is some CURVE line at the coordinate plane (x,y).\r
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