3.6 Differentiation (A-level only)

The point $A\,$ lies on the curve with equation $y=2ex+2ex+3\displaystyle y = \frac{2e^x+2}{e^x+3}$ with $x$ -coordinate 0.

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

[5]

The point $A\,$ lies on the curve with equation $y=2ex+2ex+3\displaystyle y = \frac{2e^x+2}{e^x+3}$ with $x$ -coordinate 0.

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

[5]

3.6 Differentiation (A-level only) Questions