document.write( "Question 205095: Hi. I am having trouble with this problem:\r
\n" ); document.write( "\n" ); document.write( "Expressed in a + bi form, 5/ 3 + i is equuivalent to...\r
\n" ); document.write( "\n" ); document.write( "A) 15 - 5i, B) (3/2) - (1/2i), C) (5/3) - 5i, D) (15/8) - (5/8i)
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Algebra.Com's Answer #154813 by nerdybill(7384)\"\" \"About 
You can put this solution on YOUR website!
Answer is B
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\n" ); document.write( "Multiply by (3-i)/(3-i):
\n" ); document.write( "5/(3+i) * (3-i)/(3-i)
\n" ); document.write( "= 5(3-i)/(3+i)(3-i)
\n" ); document.write( "= 5(3-i)/(9-3i+3i+1)
\n" ); document.write( "= 5(3-i)/(9+1)
\n" ); document.write( "= 5(3-i)/10
\n" ); document.write( "= (15-5i)/10
\n" ); document.write( "= 15/10 - 5i/10
\n" ); document.write( "= (3/2) - (1/2)i
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