document.write( "Question 86641: what is the value of i+56i^9 \n" ); document.write( "
Algebra.Com's Answer #62656 by dolly(163)\"\" \"About 
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i+56i^9\r
\n" ); document.write( "\n" ); document.write( "= i + 56 i^8 * i\r
\n" ); document.write( "\n" ); document.write( "= i + 56 (i^2)^4 * i\r
\n" ); document.write( "\n" ); document.write( "= i + 56 (-1)^4 *i [as i^2 = -1]\r
\n" ); document.write( "\n" ); document.write( "= i + 56(1)*i\r
\n" ); document.write( "\n" ); document.write( "= i + 56i\r
\n" ); document.write( "\n" ); document.write( "= 57i
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