document.write( "Question 1001236: Find the product of 1+3i and it's conjugate.\r
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document.write( "What does the real number a equal?\r
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document.write( "What does the real number b equal?\r
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document.write( "Please write the result in the form a+bi \n" );
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Algebra.Com's Answer #618459 by ikleyn(52803)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "(1 + 3i)*(1 - 3i) = 1^2 - (3i)^2 = 1 - 9*i^2 = 1 - 9*(-1) = 1 + 9 = 10.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |