What Are Maxima, Minima, and Related Rates in Calculus?

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unknown_1234 said:
https://www.physicsforums.com/attachment.php?attachmentid=39828&stc=1&d=1318234103

THIS IS MY HOME WORK PLZZ ANSWER ANY NUMBER YOU KNOW. IF YOU CANT SEE THE QUESTION JUST PRESS CONTROL + to zoom it . If you answer it please indicate the number you answer tnxxx. T__T need it badly.


If you need it badly you had better get busy and do the work. It is against the PF rules for us to do your take-home quiz questions for you.

RGV
 
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Thread 'Finding the nth roots of a complex number'

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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