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26.2 Other Indeterminate Forms

L'Hospital's rule as stated applies when f(a) = 0 and g(a) = 0 so that .

Other indetermined forms include .

There is a version of L'Hospital's rule that applies to ; it is the same as the original rule with  replaced by .

The same approach can be applied to the limit f(x) - g(x) as both f and g approach infinity, by treating  by L'Hospital's rule.