EXAMPLE 3
Solution We differentiate the equation implicitly.
(AS) ² = x² + sin.xy
d
VIR SY
d
(²) - (x²)+(sin xy)
=
dx
dx
Find dy/dx if y² = x² + sinxy (Figure 3.31).
d
dx
dy
dx
2y
=
d
2x + (cos xy) (xy)
dx
ansa to along or see anuar
Differentiate both sides with
respect to x...
... treating y as a function of
x and using the Chain Rule.