document.write( "Question 1004959: 12+18i
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Algebra.Com's Answer #621299 by jim_thompson5910(35256)\"\" \"About 
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Multiply top and bottom by \"3%2Bi\"\r
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\n" ); document.write( "\n" ); document.write( "Note: \"3%2Bi\" is the conjugate of \"3-i\" (the denominator)\r
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\n" ); document.write( "\n" ); document.write( "\"%2812%2B18i%29%2F%283-i%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28%2812%2B18i%29%2F%283-i%29%29%2A%28%283%2Bi%29%2F%283%2Bi%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28%2812%2B18i%29%2A%283%2Bi%29%29%2F%28%283-i%29%2A%283%2Bi%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%2836%2B12i%2B54i%2B18i%5E2%29%2F%289%2B3i-3i-i%5E2%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%2836%2B12i%2B54i%2B18%28-1%29%29%2F%289%2B3i-3i-%28-1%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%2836%2B12i%2B54i-18%29%2F%289%2B3i-3i%2B1%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%2818%2B66i%29%2F%2810%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"18%2F10%2B%2866i%29%2F10\"\r
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\n" ); document.write( "\n" ); document.write( "\"9%2F5%2B%2833%2F5%29i\"\r
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\n" ); document.write( "\n" ); document.write( "So, \"%2812%2B18i%29%2F%283-i%29=9%2F5%2B%2833%2F5%29i\"\r
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\n" ); document.write( "\n" ); document.write( "\"9%2F5%2B%2833%2F5%29i\" is in standard form \"a%2Bbi\" where \"a=9%2F5\" and \"b=33%2F5\"
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