SOLUTION: How do you know what a real number is when dealing with fractional exponents

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Question 754440: How do you know what a real number is when dealing with fractional exponents
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How do you know what a real number is when dealing with fractional exponents
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If x is positive, x^(a/b) is always Real
If x is negative, x^(a/b) is Real unless b is an even number
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Cheers,
Stan H.
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