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September 13th, 2017, 06:35 PM  #1 
Newbie Joined: Aug 2017 From: New Zealand Posts: 4 Thanks: 4  Simplifying Indices
Please provide help with this problem. Answers are required to be left in positive indices.

September 13th, 2017, 06:48 PM  #2 
Math Team Joined: Jul 2011 From: Texas Posts: 2,718 Thanks: 1373 
assuming $a$ and $b$ are positive ... $\sqrt{\dfrac{25a^2}{b^{1/3}}} = \left(\dfrac{25a^2}{b^{1/3}}\right)^{1/2} = \dfrac{5a}{b^{1/6}}$ 

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