document.write( "Question 71551: Write the expression as a complex number in standard form.\r
\n" ); document.write( "\n" ); document.write( "a) 8/1+i
\n" ); document.write( "b) -5-3i/4i
\n" ); document.write( "c) 2+5i/5+2i
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Algebra.Com's Answer #51178 by venugopalramana(3286)\"\" \"About 
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Write the expression as a complex number in standard form.
\n" ); document.write( "a) 8/1+i = [8*(1-I)]/[(1+I)(1-I)]=[8-8I]/(1+1)=4-4I
\n" ); document.write( "b) -5-3i/4i =-[5+3I][I]/[5I*I]=[-5I+3]/(-5)=(-3/5)+I
\n" ); document.write( "c) 2+5i/5+2i = [(2+5I)(5-2I)]/[(5+2I)(5-2I)]=[10-4I+25I+10]/[25+4]=[20-21I]/29
\n" ); document.write( "=(20/29)-(21/29)I
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