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If we have

[itex]H'(r)=r+\tau(r)H(r)[/itex]

and

[itex]\tau(r)=k+(H(r)/r)^a[/itex]

where

[itex]a>0, k>0, [/itex] and [itex]H(0)=0[/itex],

can we say anything about [itex]{lim}_{r\rightarrow 0^+}\tau(r)[/itex]?

Thanks a lot!

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# Finding lim t->0

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