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)![]() ![]() ![]() You can put this solution on YOUR website! How do you know what a real number is when dealing with fractional exponents \n" ); document.write( "------- \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 \n" ); document.write( "-------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=============== \n" ); document.write( " \n" ); document.write( " |