The function is
.
Apply derivative on each side with respect to
.

Apply quotient rule in derivatives
.


.
Find the relative extrema by equating the first derivative to zero.
\
.




.
Substitute
in
.

Substitute the value of
.
.
Relative extrema at
.
Determine the nature of relative extrema, using second derivative test.
\
.
Apply derivative with respect to
.





.
| Point | \![]() | \
Sign of![]() | \
\
\
| \
| Conclusion | \Relative maximum | \
The relative maximum at
.
Find the inflection points by equating the second derivative to zero.
\
.



.
Substitute
in
.


.
The inflection point is
.
Graph:
\Graph the function
.
.
The relative maximum at
.
The inflection point is
.