Xan—I misunderstood. You are right. The latest beta does not allow
numerical roots higher than the 9th. Grouping the digits—as in
$\sqrt[{12}]{…}$ does not help.

Alan


On Mon, Sep 23, 2013 at 8:13 AM, Alan Bowen <bowenalan03@gmail.com> wrote:

> Try braces about the “12” as in
> \sqrt{12}{a^{11}}
>
> Alan
>
>
> On Mon, Sep 23, 2013 at 3:55 AM, Xan <dxpublica@telefonica.net> wrote:
>
>> Hi,
>>
>> \sqrt[12]{a^{11}}
>>
>> produces me:
>>
>> \sqrt[1]{2} a^{11}
>>
>> What happens there?
>>
>> Xan.
>>
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