Does anyone here have Stewart's Calculus Fifth Edition?

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This is urgent

Does anyone here have Stewart's Calculus Fifth Edition? I need to answer a question out of this particular book for an assgienment tomorrow. It is #40 on Page 178, in the chapter review. Could anyone post this question please?

I have lost my textbook, all $124 of it but will try to find it tomorrow. Problem is, the assignment is due at 8 am.

Could anyone help me? Much thanks.
 
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sorry,i couldn`t help you
 
There are two things I don't understand about this problem. First, when finding the nth root of a number, there should in theory be n solutions. However, the formula produces n+1 roots. Here is how. The first root is simply ##\left(r\right)^{\left(\frac{1}{n}\right)}##. Then you multiply this first root by n additional expressions given by the formula, as you go through k=0,1,...n-1. So you end up with n+1 roots, which cannot be correct. Let me illustrate what I mean. For this...
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