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Re: Forcing surds into the numerator

• To: mathgroup at smc.vnet.net
• Subject: [mg64687] Re: Forcing surds into the numerator
• From: "Tony King" <mathstutoring at ntlworld.com>
• Date: Mon, 27 Feb 2006 00:18:36 -0500 (EST)
• References: <dtp5pv$eq8$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Thanks to everyone who has answered this post - perhaps Wolfram may, at some 
stage, include a SurdForm routine in either the kernel or a package.

Best wishes

Tony


"Tony King" <mathstutoring at ntlworld.com> wrote in message 
news:dtp5pv$eq8$1 at smc.vnet.net...
> Does anyone know how I can force Mathematica to display surds in the
> numerator of an expression, or a function that can be applied to do the 
> job?
>
> For example, FullSimplify[1/(3+Sqrt[2])] returns itself and not 1/7
> (3-root2)
>
> Similarly, Sin[Pi/12] returns (-1+root3)/(2root2) and not 1/4 
> (root6-root2)
>
> Many thanks
>
> Tony
>