Question 849757

explain why (-8)1/2 is not equal -(8)1/2, but (-27)1/3 is equal -(27)1/3
<pre>
{{{(- 8)^(1/2)}}} -----> {{{2i*sqrt(2)}}}
{{{- (8)^(1/2)}}} -----> {{{- 2sqrt(2)}}}
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