(13)
\Step 1:
\The curve
-axis equation is
Formula for area between the curve and -axis is
Find the limits by equating forms.
and
and
In this case and
.
Step 2:
\Substitute the values and
in
.
square units..
Solution :
\ square units.
(14)
\ \ \
and
and
and
\
(15)
\ and
,
and
,
and