# What is the equation of the line normal to #f(x)=(x+1)^2-4x+5# at #x=-2#?

##### 1 Answer

Jul 11, 2018

#### Explanation:

When

To find the gradient of

What you just found is the gradient of the tangent of the line. Since you want to find the gradient of the normal of the line, we can use the formula

Equation of the normal