document.write( "Question 394183: the expression i^42 is equivalent to? \n" ); document.write( "
Algebra.Com's Answer #279679 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
the expression i42 is equivalent to ?
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document.write( "You need to know these three facts:\r\n" );
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document.write( "i2 = -1\r\n" );
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document.write( "(-1)EVEN = +1\r\n" );
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document.write( "(-1)ODD = -1\r\n" );
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document.write( "Your example:\r\n" );
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document.write( "i42 = i2*21 = (i2)21 = (-1)21 = -1\r\n" );
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document.write( "Some other examples:\r\n" );
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document.write( "i96 = i2*48 = (i2)48 = (-1)48 = +1 = 1\r\n" );
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document.write( "i73 = i72+1 = i72i1 = i2*36i = (i2)36i = (-1)36i = 1i = i\r\n" );
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document.write( "i47 = i46+1 = i46i1 = i2*23i = (12)23i = (-1)23i = (-1)i = -i\r\n" );
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document.write( "Edwin
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