I attached my work as a .pdf file (#17). My work is shown and the final answer from my text book is given. What am I doing wrong and what is the correct way of doing it?

Any help would be greatly appreciated!

Thanks in advance!

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- October 11th 2009, 07:56 PMs3aQuotient Rule Problem
I attached my work as a .pdf file (#17). My work is shown and the final answer from my text book is given. What am I doing wrong and what is the correct way of doing it?

Any help would be greatly appreciated!

Thanks in advance! - October 11th 2009, 08:38 PMArturo_026
sorry, your quotient rule use is correct, but you forgot to divide 2 sqrt(r) in the denominator.

- October 12th 2009, 07:11 AMs3a
Which step are you talking about?