The functions are and
.
The interval is .
The region bounded by the curves :
\
\
Graphically, the area of the region bounded by the curves and
is
.
\
The centroid is .
.
Substitute ,
and
in above equation.
Integration by parts :
\Solve the integral by using parts of integration method.
\Formula for integration by parts :.
Where and
.
Consider .
Apply derivative on each side with respect to .
Consider .
Apply integral on each side with respect to .
.
.
Substitute the corresponding values in .
.
The -coordinate of the centroid is
.
.
Substitute ,
and
in above equation.
.
.
From power reducing formula : .
The -coordinate centroid is
.
The centroid of the region is
The centroid of the region is
The graph of the functions and
with the centeroid
\