document.write( "Question 1209633: Find all complex numbers z such that |z - 1| = |z + 3| + |z - 2i|.
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #849744 by ikleyn(52786)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Find all complex numbers z such that |z - 1| = |z + 3| + |z - 2i|. \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " In his post, @CPhill came to the conclusion that z = -4 \n" ); document.write( " is the solution (one solution) to the problem.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " But easy check shows that it is not so.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "Indeed, then |z-1| = |-4-1| = |-5| = 5;\r\n" ); document.write( "\r\n" ); document.write( " |z+3| = |-4+3| = |-1| = 1,\r\n" ); document.write( "\r\n" ); document.write( " |z-2i| = |-4-2i| =\r \n" ); document.write( "\n" ); document.write( "So, it disproves the statement by @CPhill that z= 4 is a solution.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It is not.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |