document.write( "Question 1199960: sum k = 0 to 2009 i ^ k \n" ); document.write( "
Algebra.Com's Answer #833976 by greenestamps(13334)\"\" \"About 
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\n" ); document.write( "sum k = 0 to 3 (i^k) = 1 + i - 1 - i = 0

\n" ); document.write( "Every four consecutive integer powers of i have a sum of 0.

\n" ); document.write( "So

\n" ); document.write( "sum k = 0 to 2007 = 0

\n" ); document.write( "So

\n" ); document.write( "sum k = 0 to 2009 = 0 + i^2008 + i^2009 = 0 + 1 + i = 1 + i

\n" ); document.write( "ANSWER: 1 + i
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