The curve equation is .
(a)
\Graph the curve equation: .
Graph:
\(b)
\Formula 3:
\Length of the curve on the interval
is
.
The curve equation is .
Apply derivative on each side with respect to .
.
The length of the curve between to
.
Integrate between to
.
Substitute .
.
Since the integral is undefined at , the integral is improper integral.
Let .
.
When ,
.
When ,
.
Substitute and
.
.
.
Formula 4:
\Length of the curve on the interval
is
.
The curve equation is .
.
The length of the curve between to
.
Therefore, consider .
Apply derivative on each side with respect to .
.
Integrate between to
.
Let .
.
When ,
.
When ,
.
Substitute and
.
.
.
.
(c) Find the length of the curve from to
.
The curve equation is .
.
Therefore, consider .
Apply derivative on each side with respect to .
.
.
Length of the curve between to
is sum of length of curve between
to
and
to
.
.
Consider .
Let .
.
When ,
.
When ,
.
Substitute and
.
.
.
Substitute and
.
.
The length of the curve between to
is
.
(a) Graph the curve equation: .
(b)
\Using formula 3:
\ is an improper integral.
.
Using formula 4: .
(c) The length of the curve between to
is
.