(a) Implicit differentiation:
\The equation is
.
Differentiate on each side with respect to
.

.
\
(b) Explicit differentiation:
\Solving for y.
\
Differentiate above function with respect to x
\
\
(c)
\Solution for part (a) is
.
Substitute
in
.
.
Thus, the result in part (a), matches with the result in part (b).
\\
(a)
.
(b)
and
.
(c) Results are consistent.