1.9.16 Implicit differentiation (A-level only)

The point $A\,$ lies on the curve with equation $x\sqrt{x+7}$ with $x$ -coordinate 2.

Find an equation of the normal to the curve at the point $A$ .

[5]

The point $A\,$ lies on the curve with equation $x\sqrt{x+7}$ with $x$ -coordinate 2.

Find an equation of the normal to the curve at the point $A$ .

[5]

1.9.16 Implicit differentiation (A-level only) Questions