document.write( "Question 815161: if x=1+i,where i=(-1)^1\2,then x^5 is?please tell the answer \n" ); document.write( "
Algebra.Com's Answer #490751 by Alan3354(69443)\"\" \"About 
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if x=1+i,where i=(-1)^1\2,then x^5 is?please tell the answer
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\n" ); document.write( "x^2 = (1+i)^2 = 1 + 2i - 1 = 2i
\n" ); document.write( "x^4 = (2i)^2 = -4
\n" ); document.write( "x^5 = -4*(1+i) = -4-4i
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\n" ); document.write( "Is there some reason you couldn't do that?
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