document.write( "Question 657312: Simplify i^47 \n" ); document.write( "
Algebra.Com's Answer #409815 by MathDazed(34)\"\" \"About 
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There is a formula for these:\r
\n" ); document.write( "\n" ); document.write( "i^4n = 1\r
\n" ); document.write( "\n" ); document.write( "i^4n+1 = i\r
\n" ); document.write( "\n" ); document.write( "i^4n+2 = -1\r
\n" ); document.write( "\n" ); document.write( "i^4n+3 = -i\r
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\n" ); document.write( "\n" ); document.write( "Where n is any integer. So for this i^4(11)+3 = -i
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