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OpenStudy (anonymous):
-4^1/2
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OpenStudy (anonymous):
-2
geerky42 (geerky42):
\(-4^{1/2} = -(4^{1/2})=-2\)
geerky42 (geerky42):
But if \((-4)^{1/2}\), then you have \((-1)^{1/2}(4^{1/2}) = 2i\)
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