The function is .
Substitute in
.
Substitute in
.
Hence, it satisfies the third condition of the Roll
s theorem.
is continuous on the interval
.
The function is .
Differentiate on each side with respect to
.
is never
, thus there is no values of
where
.
Even though it does not contradict the Rolles theorem because
is undefined when
in which we should not apply Rolle
s theorem.
\
is undefined when
, we cannot apply Rolle
s theorem.