document.write( "Question 361631: on page 280 of the algebra 2 book problem 5 reads i^40 i cant figure out how to solve it... \n" ); document.write( "

Algebra.Com's Answer #400746 by Alan3354(69443) $\"\"$ $\"About$

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i^40
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\n" ); document.write( " $\"i+=+sqrt%28-1%29\"$
\n" ); document.write( " $\"i%5E2+=+-1\"$
\n" ); document.write( " $\"i%5E3+=+i%5E2%2Ai+=+-i\"$
\n" ); document.write( " $\"i%5E4+=+1\"$
\n" ); document.write( "----
\n" ); document.write( "It's cyclic
\n" ); document.write( "i, -1, -i, 1 etc.
\n" ); document.write( "---
\n" ); document.write( " $\"i%5E40+=+%28i%5E4%29%5E10+=+1%5E10+=+1\"$
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