document.write( "Question 402315: Which of the following are complex numbers ? 5 , 3i , 1 , 2i . Explain your answer . \n" ); document.write( "
Algebra.Com's Answer #284606 by Edwin McCravy(20059)\"\" \"About 
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document.write( "All of them are of the form A + Bi and are therefore complex numbers.\r\n" );
document.write( "The 0's just aren't usually written when A or B happens to equal 0.\r\n" );
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document.write( " 5 = 5 + 0i\r\n" );
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document.write( "3i = 0 + 3i\r\n" );
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document.write( "1  = 1 + 0i\r\n" );
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document.write( "2i = 0 + 2i\r\n" );
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document.write( "Edwin
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