document.write( "Question 683651: i^7+i^5+i^3+i please write in standard form a+bi \n" ); document.write( "
Algebra.Com's Answer #423641 by Alan3354(69443)\"\" \"About 
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i^7+i^5+i^3+i
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\n" ); document.write( "= -i +i -i +i
\n" ); document.write( "= 0
\n" ); document.write( "or 0 + 0i
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