document.write( "Question 1181500: Prove that (z^n) + (z*)^n is always real for integer n \n" ); document.write( "
Algebra.Com's Answer #811401 by ikleyn(52790)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Prove that (z^n) + (z*)^n is always real for integer n \n" ); document.write( "~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " In this problem, it is assumed (hidden assumption) that z is a complex number z = a + bi.\r \n" ); document.write( "\n" ); document.write( " Another hidden assumption is that z* is the complex conjugate to z.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "In the binomial expansion of z^n =\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solved, answered and explained.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |