document.write( "Question 242873: if |z|=3 then determine the least value of |z+1/z|= \n" ); document.write( "
Algebra.Com's Answer #177836 by Edwin McCravy(20056)\"\" \"About 
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document.write( "\"abs%28z%29=sqrt%28x%5E2%2By%5E2%29=3\", so \"x%5E2%2By%5E2=9\" and \"y%5E2=9-x%5E2\"\r\n" );
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document.write( "Therefore:\r\n" );
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document.write( "This is a minimum when \"x=0\", thus\r\n" );
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document.write( "\"abs%28z%2B1%2Fz%29\" has minimum value \"%282%2F3%29%28sqrt%280%5E2%2B16%29%29=%282%2F3%29sqrt%2816%29=%282%2F3%29%284%29=8%2F3\"\r\n" );
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document.write( "Edwin
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