bloodasp
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Can anyone point me to a text or link that summarizes the rules when evaluating/simplifying an expression of the form
(a^n)^(1/m) for a < 0. (a^n)^(1/m) yields different answers for a^(n/m) and (a^(1/m))^n.
Ex:
(-8)^(2/6) = (-8)^(1/3) = -2
(-8)^(2/6) = ((-8)^2)^(1/6) = 2
(-8)^(2/6) = (-8^(1/6))^2 = undefined
Thank you very much!
(a^n)^(1/m) for a < 0. (a^n)^(1/m) yields different answers for a^(n/m) and (a^(1/m))^n.
Ex:
(-8)^(2/6) = (-8)^(1/3) = -2
(-8)^(2/6) = ((-8)^2)^(1/6) = 2
(-8)^(2/6) = (-8^(1/6))^2 = undefined
Thank you very much!
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