document.write( "Question 754440: How do you know what a real number is when dealing with fractional exponents \n" ); document.write( "
Algebra.Com's Answer #459087 by stanbon(75887)\"\" \"About 
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How do you know what a real number is when dealing with fractional exponents
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\n" ); document.write( "If x is positive, x^(a/b) is always Real
\n" ); document.write( "If x is negative, x^(a/b) is Real unless b is an even number
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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