# How do you find the equation of a line tangent to the function #y=-3/(x^2-4)# at (1, 1)?

##### 1 Answer

Oct 26, 2017

#### Explanation:

We need to find the derivative of this function. This will allow us to find the gradient of the tangent line.

Notice we can write this as:

Using the chain rule:

Plugging in 1 will give us the gradient of the line.

We now have the gradient

equation of a line

Equation of line is: