Last edited by Lord Voldemort; September 7th 2013 at 10:07 PM.
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I think the error is in the step For similar reasons to why this is incorrect:
Originally Posted by Lord Voldemort When x is real valued we cannot say that for all x. For example, what happens when x = 1/2? -Dan
Originally Posted by Shakarri I think the error is in the step For similar reasons to why this is incorrect: I don't understand though. Isn't that step just the associative property for multiplication? Originally Posted by topsquark When x is real valued we cannot say that for all x. For example, what happens when x = 1/2? -Dan I'm confused: 1^(1/2) = sqrt(1) = 1, right?
Originally Posted by Lord Voldemort I'm confused: 1^(1/2) = sqrt(1) = 1, right? What about 1^(1/2) = -1? Mind you the exponent in your problem is going to be imaginary so this isn't a direct example...but my point is that is, in general, multi-valued for . -Dan
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