Re: using rules for square roots
- To: mathgroup at smc.vnet.net
- Subject: [mg110425] Re: using rules for square roots
- From: Bill Rowe <readnews at sbcglobal.net>
- Date: Thu, 17 Jun 2010 02:05:27 -0400 (EDT)
On 6/16/10 at 5:42 AM, KHO at statoil.com (Kent Holing) wrote:
>What about nested square roots, such as returning ab for
>Sqrt[aSqrt[a^2 b^4]] etc.?
In[6]:= Sqrt[a Sqrt[a^2 b^4]] // PowerExpand
Out[6]= a b
In[7]:= Assuming[{a > 0, b > 0}, Simplify[Sqrt[a Sqrt[a^2 b^4]]]]
Out[7]= a b