<P> More formally, the fact that the functions f (x) and g (x) both approach 0 as x approaches some limit point c is not enough information to evaluate the limit </P> <Dl> <Dd> lim x → c f (x) g (x). (\ displaystyle \ lim _ (x \ to c) (\ frac (f (x)) (g (x))). \!) </Dd> </Dl> <Dd> lim x → c f (x) g (x). (\ displaystyle \ lim _ (x \ to c) (\ frac (f (x)) (g (x))). \!) </Dd> <P> Not every undefined algebraic expression corresponds to an indeterminate form . For example, the expression 1 / 0 is undefined as a real number but does not correspond to an indeterminate form, because any limit that gives rise to this form will diverge to infinity . </P>

Expressions of the form 0 are known as 0