The function is .
Find .
Substitute in
.
.
Find .
Substitute in
.
.
Find .
Substitute in
.
.
Find .
Substitute in
.
.
Find .
Substitute in
.
.
Find .
Multiply with
.
.
Find .
Substitute in
.
.
Find .
Substitute in
.
.
Find .
.
Apply square on each side
.
Find .
Substitute in
.
.
.
.
.
.
.
.
.
.
.
.