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a^{(b/c)}

=

[itex]\sqrt[c]{}(a^b)[/itex]

so this suggests that

(-1)^{(2/3)}

[itex]\sqrt[3]{}((-1)^2)[/itex] = -1 right?

Wolfram alpha and my calculator disagree.

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# Seemingly Simple Algebra (Exponent Rules)

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