[cos(a/x)]^(x^2) as x tends to infinity, where a > 0.

(Doh)

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- Apr 24th 2010, 02:10 PMfeyomiCompute the following limit (Use l'Hopital's rule)
[cos(a/x)]^(x^2) as x tends to infinity, where a > 0.

(Doh) - Apr 24th 2010, 02:45 PMdrumist

Now you have so you can apply L'Hôpital's rule.