>>11443784Surround it in (math)(/math) tags, replacing the parentheses with square brackets. You get because LaTeX interprets all plain English characters as variables and formats them accordingly; to get your text beautiful and upright, pass it through the \mathrm command instead. With \mathrm{test} instead of test: .
>>11443789If you're talking using L'Hôpital's rule on a limit that assumes an indeterminate form, then no. All that L'Hôpital's rule does is (under certain conditions) let us find the value of the limit of the quotient of two functions when attempting to substitute the individual limits of these functions yields a certain kind of nonsense undefined expression; it has no power to actually assign any meaning to said nonsense undefined expression.
